Compilare: main.cpp: In function 'int main()': main.cpp:78:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for (i = 0; i < d.size() and i <= k2; i++) | ~~^~~~~~~~~~ main.cpp:79:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | for (j = 0; j < nt.size(); j++) | ~~^~~~~~~~~~~ main.cpp:83:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | for (i = 1; i < d.size() and i <= k2; i++) | ~~^~~~~~~~~~ main.cpp:87:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for (i = 0; i < inter.size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp:88:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 88 | for (k = k1 - i; k < fr.size() and s - i - k >= 0; k++) | ~~^~~~~~~~~~~