Compilare: main.cpp:28:0: warning: ignoring #pragma warning [-Wunknown-pragmas] #pragma warning(disable:4996) main.cpp: In function 'int main()': main.cpp:65:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < s.size(); i++) { ~~^~~~~~~~~~ main.cpp:91:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < s.size(); i++) { ~~^~~~~~~~~~ main.cpp:59:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("paranteze.in", "r", stdin); freopen("paranteze.out", "w", stdout); ^ main.cpp:59:76: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("paranteze.in", "r", stdin); freopen("paranteze.out", "w", stdout); ^