Compilare: main.cpp: In function 'void solve()': main.cpp:51:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(int i = 0; i < a[x].size(); i++){ | ~~^~~~~~~~~~~~~ main.cpp:59:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 59 | for(int i = 1; i<n; i++) if(d[i] == mod) cout << "0 "; else cout << d[i] << " "; cout << "\n"; | ^~~ main.cpp:59:83: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 59 | for(int i = 1; i<n; i++) if(d[i] == mod) cout << "0 "; else cout << d[i] << " "; cout << "\n"; | ^~~~