Compilare: main.cpp: In function 'int singuraFunctieCopiata(int, int)': main.cpp:30:11: warning: unused variable 'nr' [-Wunused-variable] int nr = 0, ans = 0, p10 = 1, suf = n, pref = 0; ^~ main.cpp: In function 'void cpy(std::vector<int>&, std::vector<int>)': main.cpp:88:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < b.size() ; i++) ~~^~~~~~~~~~ main.cpp: In function 'bool verifExista(long long int, std::vector<int>&)': main.cpp:97:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < h[r].size() ; i++) ~~^~~~~~~~~~~~~ main.cpp:99:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0 ; j < h[r][i].e.size() ; j++) ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:170:33: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=] printf("%d\n",sol.size()); ^ main.cpp:171:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < sol.size() ; i++) ~~^~~~~~~~~~~~ main.cpp:117:37: 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:118:39: 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:119:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k); ^ main.cpp:125:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a1[i][j]); ^ main.cpp:128:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a2[i-mij][j]); ^