Compilare: main.cpp: In function 'int main()': main.cpp:19:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(int j=0; j<mat[x%mod].size(); j++) | ~^~~~~~~~~~~~~~~~~~ main.cpp:30:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int j=0; j<mat[x%mod].size(); j++) | ~^~~~~~~~~~~~~~~~~~ main.cpp:40:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(int j=0; j<mat[x%mod].size(); j++) | ~^~~~~~~~~~~~~~~~~~