Compilare: main.cpp: In function 'int main()': main.cpp:66:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(mi>solidk.size()) ~~^~~~~~~~~~~~~~ main.cpp:76:36: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<long long int>::size_type {aka long unsigned int}' [-Wformat=] printf("1\n%d\n",sol.size()); ^ main.cpp:77:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<sol.size(); ++i) ~^~~~~~~~~~~ main.cpp:15:25: warning: unused variable 'a' [-Wunused-variable] long long int n,i,j,a,b,ma=0,x,k,sepoate=0; ^ main.cpp:15:27: warning: unused variable 'b' [-Wunused-variable] long long int n,i,j,a,b,ma=0,x,k,sepoate=0; ^ main.cpp:15:29: warning: unused variable 'ma' [-Wunused-variable] long long int n,i,j,a,b,ma=0,x,k,sepoate=0; ^~ main.cpp:15:34: warning: unused variable 'x' [-Wunused-variable] long long int n,i,j,a,b,ma=0,x,k,sepoate=0; ^ main.cpp:17:19: warning: unused variable 'nrcif' [-Wunused-variable] long long int nrcif=0; ^~~~~ main.cpp:13:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("colectie.in","r",stdin); ^ main.cpp:14:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("colectie.out","w",stdout); ^ main.cpp:18:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld ",&n,&k); ^ main.cpp:21:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&v[i].c[j]); ^