Compilare: main.cpp: In function 'int main()': main.cpp:76:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(pz>=v1.size()-1) pz--; ~~^~~~~~~~~~~~~ main.cpp:83:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(pz<v1.size()-1 && sum[j]>intersectie(v1[pz],v1[pz+1])) pz++; ~~^~~~~~~~~~~~ main.cpp:23:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("niciomare.in","r",stdin); ^ main.cpp:24:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("niciomare.out","w",stdout); ^ main.cpp:26:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&n,&k1,&s); ^ main.cpp:27:44: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for(int i=1;i<=n;i++) scanf("%d",&v[i]); ^