#include int num[4], Class[4]; float Maths[4], Physics[4], English[4], sum[4]; void Swap(int k); void insert_array(); int main() { insert_array(); } void insert_array() { for (int i = 0; i < 3; i++) { scanf("%d%d%f%f%f\n", &num[i], &Class[i], &Maths[i], &Physics[i], &English[i]); sum[i] = Maths[i] + Physics[i] + English[i]; } scanf("%d%d%f%f%f", &num[3], &Class[3], &Maths[3], &Physics[3], &English[3]); for (int i = 0; i < 3; i++) { if (num[i] == num[3]) { printf("The student's info has already existed!\n"); return; } } int inserted_num = num[3]; sum[3] = Maths[3] + Physics[3] + English[3]; for (int i = 0; i < 4; i++) { for (int j = 3; j > i; j--) { if (Class[j] < Class[j - 1]) { Swap(j); } else if (Class[j] == Class[j - 1]) { if (sum[j] > sum[j - 1]) { Swap(j); } } } } for (int i = 0; i < 4; i++) { if (num[i] == inserted_num) { printf("%d %d %.1f %.1f %.1f", num[i], Class[i], Maths[i], Physics[i], English[i]); printf(" inserted\n"); } else { printf("%d %d %.1f %.1f %.1f\n", num[i], Class[i], Maths[i], Physics[i], English[i]); } } } void Swap(int k) { int num0 = num[k], Class0 = Class[k]; float Maths0 = Maths[k], Physics0 = Physics[k], English0 = English[k], sum0 = sum[k]; num[k] = num[k - 1]; Class[k] = Class[k - 1]; Maths[k] = Maths[k - 1]; Physics[k] = Physics[k - 1]; English[k] = English[k - 1]; sum[k] = sum[k - 1]; num[k - 1] = num0; Class[k - 1] = Class0; Maths[k - 1] = Maths0; Physics[k - 1] = Physics0; English[k - 1] = English0; sum[k - 1] = sum0; }