Compilare: main.cpp:108:9: warning: "/*" within comment [-Wcomment] /*sort(v.begin(),v.end()) ; main.cpp: In function 'int main()': main.cpp:82:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("mexc.in" , "r" , stdin) ; ^ main.cpp:83:44: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("mexc.out" , "w" , stdout) ; ^