Compilare: main.cpp: In function 'int main()': main.cpp:147:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<qes>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 147 | while(j<qest.size()&&(qest[j].i<s[c].i||(qest[j].i==s[c].i&&qest[j].j<s[c].j))) | ^ main.cpp:157:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<qes>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 157 | while(j<qest.size()) | ^