Compilare: main.cpp: In function 'int main()': main.cpp:9:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("joc.in", "r", stdin); ^ main.cpp:10:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("joc.out", "w", stdout); ^ main.cpp:57:39: warning: 'js' may be used uninitialized in this function [-Wmaybe-uninitialized] cout << ans << ' ' << is << ' ' << js; ^ main.cpp:57:30: warning: 'is' may be used uninitialized in this function [-Wmaybe-uninitialized] cout << ans << ' ' << is << ' ' << js; ^~~