Compilare: main.cpp: In function 'int main()': main.cpp:80:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(muchii.size()+stiva.size()>n-1&&muchii.size()>0) ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~ main.cpp:97:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<muchii.size();i++) ~^~~~~~~~~~~~~~ main.cpp:67:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("apm.in", "r", stdin); ^ main.cpp:68:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("apm.out", "w", stdout); ^ main.cpp:70:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ main.cpp:75:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &a, &b, &c); ^