Compilare: main.cpp: In function 'int main()': main.cpp:40:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(int i=0; i<Edges[currentNode].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:65:24: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 65 | while(mstSet.size()<nrNodes-1); | ~~~~~~~~~~~~~^~~~~~~~~~ main.cpp:69:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | for(int i=0; i<edgesfinal.size(); i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp:19:21: warning: iteration 200000 invokes undefined behavior [-Waggressive-loop-optimizations] 19 | keyValues[i]=INTMAX; | ~~~~~~~~~~~~^~~~~~~ main.cpp:18:19: note: within this loop 18 | for(int i=1; i<=200001; i++) | ~^~~~~~~~