diff --git a/time_opt.txt b/time_opt.txt
index 24c5fab0..8710a949 100644
--- a/time_opt.txt
+++ b/time_opt.txt
@@ -1,200 +1,200 @@
-functional/00_main | | | 37ms
-functional/01_var_defn2 | | | 33ms
-functional/02_var_defn3 | | | 29ms
-functional/03_arr_defn2 | | | 26ms
-functional/04_arr_defn3 | | | 26ms
-functional/05_arr_defn4 | | | 27ms
-functional/06_const_var_defn2 | | | 30ms
-functional/07_const_var_defn3 | | | 30ms
-functional/08_const_array_defn | | | 36ms
-functional/09_func_defn | | | 33ms
-functional/10_var_defn_func | | | 33ms
-functional/11_add2 | | | 29ms
-functional/12_addc | | | 33ms
-functional/13_sub2 | | | 26ms
-functional/14_subc | | | 26ms
-functional/15_mul | | | 23ms
-functional/16_mulc | | | 25ms
-functional/17_div | | | 26ms
-functional/18_divc | | | 28ms
-functional/19_mod | | | 28ms
-functional/20_rem | | | 27ms
-functional/21_if_test2 | | | 28ms
-functional/22_if_test3 | | | 24ms
-functional/23_if_test4 | | | 25ms
-functional/24_if_test5 | | | 22ms
-functional/25_while_if | | | 25ms
-functional/26_while_test1 | | | 23ms
-functional/27_while_test2 | | | 23ms
-functional/28_while_test3 | | | 24ms
-functional/29_break | | | 24ms
-functional/30_continue | | | 25ms
-functional/31_while_if_test1 | | | 27ms
-functional/32_while_if_test2 | | | 24ms
-functional/33_while_if_test3 | | | 23ms
-functional/34_arr_expr_len | | | 23ms
-functional/35_op_priority1 | | | 24ms
-functional/36_op_priority2 | | | 24ms
-functional/37_op_priority3 | | | 24ms
-functional/38_op_priority4 | | | 26ms
-functional/39_op_priority5 | | | 26ms
-functional/40_unary_op | | | 23ms
-functional/41_unary_op2 | | | 29ms
-functional/42_empty_stmt | | | 23ms
-functional/43_logi_assign | | | 25ms
-functional/44_stmt_expr | | | 26ms
-functional/45_comment1 | | | 24ms
-functional/46_hex_defn | | | 23ms
-functional/47_hex_oct_add | | | 22ms
-functional/48_assign_complex_expr | | | 26ms
-functional/49_if_complex_expr | | | 24ms
-functional/50_short_circuit | | | 27ms
-functional/51_short_circuit3 | | | 26ms
-functional/52_scope | | | 24ms
-functional/53_scope2 | | | 25ms
-functional/54_hidden_var | | | 24ms
-functional/55_sort_test1 | | | 25ms
-functional/56_sort_test2 | | | 25ms
-functional/57_sort_test3 | | | 26ms
-functional/58_sort_test4 | | | 24ms
-functional/59_sort_test5 | | | 25ms
-functional/60_sort_test6 | | | 25ms
-functional/61_sort_test7 | | | 26ms
-functional/62_percolation | | | 26ms
-functional/63_big_int_mul | | | 35ms
-functional/64_calculator | | | 30ms
-functional/65_color | | | 114ms
-functional/66_exgcd | | | 24ms
-functional/67_reverse_output | | | 26ms
-functional/68_brainfk | | | 27ms
-functional/69_expr_eval | | | 29ms
-functional/70_dijkstra | | | 27ms
-functional/71_full_conn | | | 27ms
-functional/72_hanoi | | | 28ms
+functional/00_main | | | 146ms
+functional/01_var_defn2 | | | 28ms
+functional/02_var_defn3 | | | 36ms
+functional/03_arr_defn2 | | | 40ms
+functional/04_arr_defn3 | | | 34ms
+functional/05_arr_defn4 | | | 32ms
+functional/06_const_var_defn2 | | | 43ms
+functional/07_const_var_defn3 | | | 29ms
+functional/08_const_array_defn | | | 30ms
+functional/09_func_defn | | | 31ms
+functional/10_var_defn_func | | | 26ms
+functional/11_add2 | | | 27ms
+functional/12_addc | | | 28ms
+functional/13_sub2 | | | 29ms
+functional/14_subc | | | 27ms
+functional/15_mul | | | 30ms
+functional/16_mulc | | | 29ms
+functional/17_div | | | 28ms
+functional/18_divc | | | 27ms
+functional/19_mod | | | 27ms
+functional/20_rem | | | 29ms
+functional/21_if_test2 | | | 34ms
+functional/22_if_test3 | | | 30ms
+functional/23_if_test4 | | | 27ms
+functional/24_if_test5 | | | 28ms
+functional/25_while_if | | | 33ms
+functional/26_while_test1 | | | 26ms
+functional/27_while_test2 | | | 27ms
+functional/28_while_test3 | | | 27ms
+functional/29_break | | | 31ms
+functional/30_continue | | | 26ms
+functional/31_while_if_test1 | | | 31ms
+functional/32_while_if_test2 | | | 30ms
+functional/33_while_if_test3 | | | 27ms
+functional/34_arr_expr_len | | | 27ms
+functional/35_op_priority1 | | | 30ms
+functional/36_op_priority2 | | | 27ms
+functional/37_op_priority3 | | | 27ms
+functional/38_op_priority4 | | | 33ms
+functional/39_op_priority5 | | | 29ms
+functional/40_unary_op | | | 26ms
+functional/41_unary_op2 | | | 28ms
+functional/42_empty_stmt | | | 29ms
+functional/43_logi_assign | | | 35ms
+functional/44_stmt_expr | | | 28ms
+functional/45_comment1 | | | 28ms
+functional/46_hex_defn | | | 30ms
+functional/47_hex_oct_add | | | 30ms
+functional/48_assign_complex_expr | | | 28ms
+functional/49_if_complex_expr | | | 29ms
+functional/50_short_circuit | | | 29ms
+functional/51_short_circuit3 | | | 27ms
+functional/52_scope | | | 29ms
+functional/53_scope2 | | | 30ms
+functional/54_hidden_var | | | 28ms
+functional/55_sort_test1 | | | 29ms
+functional/56_sort_test2 | | | 30ms
+functional/57_sort_test3 | | | 31ms
+functional/58_sort_test4 | | | 30ms
+functional/59_sort_test5 | | | 33ms
+functional/60_sort_test6 | | | 35ms
+functional/61_sort_test7 | | | 31ms
+functional/62_percolation | | | 29ms
+functional/63_big_int_mul | | | 28ms
+functional/64_calculator | | | 38ms
+functional/65_color | | | 124ms
+functional/66_exgcd | | | 29ms
+functional/67_reverse_output | | | 32ms
+functional/68_brainfk | | | 34ms
+functional/69_expr_eval | | | 33ms
+functional/70_dijkstra | | | 30ms
+functional/71_full_conn | | | 33ms
+functional/72_hanoi | | | 36ms
 functional/73_int_io | | | 28ms
-functional/74_kmp | | | 26ms
-functional/75_max_flow | | | 26ms
-functional/76_n_queens | | | 28ms
-functional/77_substr | | | 37ms
+functional/74_kmp | | | 30ms
+functional/75_max_flow | | | 30ms
+functional/76_n_queens | | | 33ms
+functional/77_substr | | | 33ms
 functional/78_side_effect | | | 28ms
-functional/79_var_name | | | 36ms
-functional/80_chaos_token | | | 29ms
-functional/81_skip_spaces | | | 31ms
-functional/82_long_func | | | 37ms
-functional/83_long_array | | | 32ms
-functional/84_long_array2 | | | 39ms
-functional/85_long_code | | | 31ms
-functional/86_long_code2 | | | 30ms
-functional/87_many_params | | | 39ms
-functional/88_many_params2 | | | 40ms
-functional/89_many_globals | | | 28ms
-functional/90_many_locals | | | 32ms
-functional/91_many_locals2 | | | 29ms
-functional/92_register_alloc | | | 27ms
-functional/93_nested_calls | | | 26ms
-functional/94_nested_loops | | | 29ms
-functional/95_float | | | 33ms
-functional/96_matrix_add | | | 25ms
-functional/97_matrix_sub | | | 25ms
-functional/98_matrix_mul | | | 28ms
-functional/99_matrix_tran | | | 25ms
-h_functional/00_comment2 | | | 22ms
-h_functional/01_multiple_returns | | | 22ms
-h_functional/02_ret_in_block | | | 23ms
-h_functional/03_branch | | | 23ms
-h_functional/04_break_continue | | | 23ms
-h_functional/05_param_name | | | 26ms
-h_functional/06_func_name | | | 23ms
-h_functional/07_arr_init_nd | | | 32ms
-h_functional/08_global_arr_init | | | 24ms
-h_functional/09_BFS | | | 49ms
-h_functional/10_DFS | | | 62ms
-h_functional/11_BST | | | 27ms
-h_functional/12_DSU | | | 40ms
-h_functional/13_LCA | | | 29ms
-h_functional/14_dp | | | 26ms
-h_functional/15_graph_coloring | | | 25ms
-h_functional/16_k_smallest | | | 24ms
-h_functional/17_maximal_clique | | | 26ms
-h_functional/18_prim | | | 30ms
-h_functional/19_search | | | 26ms
-h_functional/20_sort | | | 35ms
-h_functional/21_union_find | | | 25ms
+functional/79_var_name | | | 29ms
+functional/80_chaos_token | | | 28ms
+functional/81_skip_spaces | | | 35ms
+functional/82_long_func | | | 35ms
+functional/83_long_array | | | 29ms
+functional/84_long_array2 | | | 38ms
+functional/85_long_code | | | 29ms
+functional/86_long_code2 | | | 39ms
+functional/87_many_params | | | 41ms
+functional/88_many_params2 | | | 42ms
+functional/89_many_globals | | | 31ms
+functional/90_many_locals | | | 29ms
+functional/91_many_locals2 | | | 31ms
+functional/92_register_alloc | | | 31ms
+functional/93_nested_calls | | | 35ms
+functional/94_nested_loops | | | 32ms
+functional/95_float | | | 38ms
+functional/96_matrix_add | | | 28ms
+functional/97_matrix_sub | | | 29ms
+functional/98_matrix_mul | | | 30ms
+functional/99_matrix_tran | | | 29ms
+h_functional/00_comment2 | | | 30ms
+h_functional/01_multiple_returns | | | 26ms
+h_functional/02_ret_in_block | | | 27ms
+h_functional/03_branch | | | 27ms
+h_functional/04_break_continue | | | 27ms
+h_functional/05_param_name | | | 27ms
+h_functional/06_func_name | | | 27ms
+h_functional/07_arr_init_nd | | | 27ms
+h_functional/08_global_arr_init | | | 39ms
+h_functional/09_BFS | | | 54ms
+h_functional/10_DFS | | | 71ms
+h_functional/11_BST | | | 32ms
+h_functional/12_DSU | | | 47ms
+h_functional/13_LCA | | | 37ms
+h_functional/14_dp | | | 30ms
+h_functional/15_graph_coloring | | | 37ms
+h_functional/16_k_smallest | | | 31ms
+h_functional/17_maximal_clique | | | 31ms
+h_functional/18_prim | | | 33ms
+h_functional/19_search | | | 33ms
+h_functional/20_sort | | | 39ms
+h_functional/21_union_find | | | 32ms
 h_functional/22_matrix_multiply | | | 29ms
-h_functional/23_json | | | 32ms
-h_functional/24_array_only | | | 26ms
-h_functional/25_scope3 | | | 26ms
-h_functional/26_scope4 | | | 25ms
-h_functional/27_scope5 | | | 25ms
-h_functional/28_side_effect2 | | | 29ms
-h_functional/29_long_line | | | 234ms
-h_functional/30_many_dimensions | | | 2834ms
-h_functional/31_many_indirections | | | 23ms
-h_functional/32_many_params3 | | | 24ms
-h_functional/33_multi_branch | | | 30ms
-h_functional/34_multi_loop | | | 82ms
-h_functional/35_math | | | 38ms
-h_functional/36_rotate | | | 137ms
-h_functional/37_dct | | | 43ms
-h_functional/38_light2d | | | 39ms
-h_functional/39_fp_params | | | 29ms
-performance/01_mm1 | | | 6548ms
-performance/01_mm2 | | | 6439ms
-performance/01_mm3 | | | 6411ms
-performance/03_sort1 | | | 2692ms
-performance/03_sort2 | | | 144ms
-performance/03_sort3 | | | 447ms
-performance/conv2d-1 | | | 1134ms
-performance/conv2d-2 | | | 347ms
-performance/conv2d-3 | | | 127ms
-performance/crc1 | | | 135ms
-performance/crc2 | | | 135ms
-performance/crc3 | | | 139ms
-performance/crypto-1 | | | 734ms
-performance/crypto-2 | | | 538ms
-performance/crypto-3 | | | 318ms
-performance/fft0 | | | 10084ms
-performance/fft1 | | | 20336ms
-performance/fft2 | | | 83ms
-performance/h-1-01 | | | 104660ms
-performance/h-1-02 | | | 9439ms
-performance/h-1-03 | | | 50078ms
-performance/h-10-01 | | | 64ms
-performance/h-10-02 | | | 99ms
-performance/h-10-03 | | | 161ms
-performance/h-4-01 | | | 5663ms
-performance/h-4-02 | | | 18386ms
-performance/h-4-03 | | | 32534ms
-performance/h-5-01 | | | 6169ms
-performance/h-5-02 | | | 6209ms
-performance/h-5-03 | | | 6046ms
-performance/h-8-01 | | | 6840ms
-performance/h-8-02 | | | 6025ms
-performance/h-8-03 | | | 6827ms
-performance/h-9-01 | | | 32ms
-performance/h-9-02 | | | 30ms
-performance/h-9-03 | | | 32ms
-performance/huffman-01 | | | 120427ms
-performance/huffman-02 | | | 117982ms
-performance/huffman-03 | | | 119527ms
-performance/knapsack_naive-1 | | | 1086ms
-performance/knapsack_naive-2 | | | 1059ms
-performance/knapsack_naive-3 | | | 1078ms
-performance/many_mat_cal-1 | | | 100725ms
-performance/many_mat_cal-2 | | | 103030ms
-performance/many_mat_cal-3 | | | 103053ms
-performance/matmul1 | | | 30058ms
-performance/matmul2 | | | 30525ms
-performance/matmul3 | | | 29846ms
-performance/optimization_scheduling1 | | | 24ms
-performance/optimization_scheduling2 | | | 27ms
-performance/optimization_scheduling3 | | | 25ms
-performance/shuffle0 | | | 4501ms
-performance/shuffle1 | | | 5481ms
-performance/shuffle2 | | | 526ms
-performance/sl1 | | | 5785ms
-performance/sl2 | | | 2976ms
-performance/sl3 | | | 938ms
-performance/transpose0 | | | 1976ms
-performance/transpose1 | | | 2985ms
-performance/transpose2 | | | 3922ms
+h_functional/23_json | | | 35ms
+h_functional/24_array_only | | | 31ms
+h_functional/25_scope3 | | | 28ms
+h_functional/26_scope4 | | | 36ms
+h_functional/27_scope5 | | | 27ms
+h_functional/28_side_effect2 | | | 31ms
+h_functional/29_long_line -381ms | | | 381ms
+h_functional/30_many_dimensions | | | 3384ms
+h_functional/31_many_indirections | | | 32ms
+h_functional/32_many_params3 | | | 28ms
+h_functional/33_multi_branch | | | 43ms
+h_functional/34_multi_loop | | | 79ms
+h_functional/35_math | | | 64ms
+h_functional/36_rotate | | | 172ms
+h_functional/37_dct | | | 47ms
+h_functional/38_light2d | | | 47ms
+h_functional/39_fp_params | | | 39ms
+performance/01_mm1 | | | 7745ms
+performance/01_mm2 | | | 8240ms
+performance/01_mm3 | | | 7779ms
+performance/03_sort1 | | | 4578ms
+performance/03_sort2 | | | 243ms
+performance/03_sort3 | | | 601ms
+performance/conv2d-1 | | | 1444ms
+performance/conv2d-2 | | | 418ms
+performance/conv2d-3 | | | 156ms
+performance/crc1 | | | 159ms
+performance/crc2 | | | 161ms
+performance/crc3 | | | 154ms
+performance/crypto-1 | | | 780ms
+performance/crypto-2 | | | 570ms
+performance/crypto-3 | | | 346ms
+performance/fft0 | | | 11210ms
+performance/fft1 | | | 24330ms
+performance/fft2 | | | 103ms
+performance/h-1-01 | | | 134153ms
+performance/h-1-02 | | | 11452ms
+performance/h-1-03 | | | 60759ms
+performance/h-10-01 | | | 81ms
+performance/h-10-02 | | | 123ms
+performance/h-10-03 | | | 194ms
+performance/h-4-01 | | | 6533ms
+performance/h-4-02 | | | 21267ms
+performance/h-4-03 | | | 39526ms
+performance/h-5-01 | | | 6637ms
+performance/h-5-02 | | | 7165ms
+performance/h-5-03 | | | 6671ms
+performance/h-8-01 | | | 8279ms
+performance/h-8-02 | | | 8401ms
+performance/h-8-03 | | | 7145ms
+performance/h-9-01 | | | 47ms
+performance/h-9-02 | | | 47ms
+performance/h-9-03 | | | 44ms
+performance/huffman-01 | | | 149618ms
+performance/huffman-02 | | | 147889ms
+performance/huffman-03 | | | 152957ms
+performance/knapsack_naive-1 | | | 1449ms
+performance/knapsack_naive-2 | | | 1336ms
+performance/knapsack_naive-3 | | | 1415ms
+performance/many_mat_cal-1 | | | 129499ms
+performance/many_mat_cal-2 | | | 127351ms
+performance/many_mat_cal-3 | | | 126443ms
+performance/matmul1 | | | 35022ms
+performance/matmul2 | | | 36785ms
+performance/matmul3 | | | 40061ms
+performance/optimization_scheduling1 | | | 32ms
+performance/optimization_scheduling2 | | | 38ms
+performance/optimization_scheduling3 | | | 32ms
+performance/shuffle0 | | | 5812ms
+performance/shuffle1 | | | 5229ms
+performance/shuffle2 | | | 648ms
+performance/sl1 | | | 7558ms
+performance/sl2 | | | 3130ms
+performance/sl3 | | | 1237ms
+performance/transpose0 | | | 2452ms
+performance/transpose1 | | | 3831ms
+performance/transpose2 | | | 4171ms