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new file: .vs/C demo.slnx/config/applicationhost.config
new file: .vs/C demo.slnx/copilot-chat/5ed72f75/sessions/40390e80-9500-4f58-ad64-714b8c7deac0
new file: .vs/C demo.slnx/v18/.wsuo
new file: .vs/C demo.slnx/v18/Browse.VC.db
new file: .vs/C demo.slnx/v18/DocumentLayout.backup.json
new file: .vs/C demo.slnx/v18/DocumentLayout.json
new file: .vs/C demo.slnx/v18/Solution.VC.db
new file: .vs/C demo.slnx/v18/ipch/AutoPCH/2c405fb4c3583bf7/~MAIN.ipch
new file: .vs/C demo.slnx/v18/ipch/AutoPCH/ca90bcb00f18b0c2/VWFNTCXL..ipch
new file: ".vs/C demo.slnx/v18/ipch/AutoPCH/f4c5d32207939beb/\346\272\2203.ipch"
new file: .vs/C demo/CopilotIndices/18.3.502.33069/CodeChunks.db
new file: .vs/C demo/CopilotIndices/18.3.502.33069/SemanticSymbols.db
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new file: .vs/CopilotSnapshots/800E39400095584FAD64714B8C7DEAC0/state.mpack
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new file: 1.cpp
new file: 2.cpp
new file: 3.cpp
new file: 3.exe
new file: 4.cpp
new file: CppProperties.json
new file: Untitled-1.cpp
new file: a.exe
new file: build/Debug/1.o
new file: build/Debug/2.o
new file: main.cpp
new file: math_functions.cpp
new file: math_functions.h
