Compilare: main.cpp: In function 'int main()': main.cpp:13:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ssm.in","r",stdin); ^ main.cpp:14:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ssm.out","w",stdout); ^ main.cpp:36:26: warning: 'p1' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<smax<<" "<<p1<<" "<<p2; ^~~ main.cpp:36:33: warning: 'p2' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<smax<<" "<<p1<<" "<<p2; ^