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0_0_12094434_2507.cpp:2:20: windows.h: No such file or directory
0_0_12094434_2507.cpp: In function `int main()':
0_0_12094434_2507.cpp:29: error: `system' undeclared (first use this function)
0_0_12094434_2507.cpp:29: error: (Each undeclared identifier is reported only once for each function it appears in.)