triusis.cpp: In function 'void solve()':
triusis.cpp:19:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
19 | for (int i = 0; i < vi.size(); i++){
| ~~^~~~~~~~~~~
triusis.cpp:21:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
21 | if (m == v.size())v.push_back(vi[i]);
| ~~^~~~~~~~~~~
triusis.cpp: At global scope:
triusis.cpp:27:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
27 | main() {
| ^~~~