Compilare: main.cpp: In function 'int main()': main.cpp:30:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for (int k = 0; k < m[rest].size(); k++) | ~~^~~~~~~~~~~~~~~~ main.cpp:40:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for (int k = 0; k < m[rest].size(); k++) | ~~^~~~~~~~~~~~~~~~ main.cpp:49:10: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 49 | if (ok == 0) | ^~ main.cpp:51:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 51 | v[rest].push_back(1); | ^