Eroare de compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:15:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[x].size(); i++){ ~~^~~~~~~~~~~~~ main.cpp:17:14: error: base operand of '->' has non-pointer type 'std::pair<int, int>' if(viz[pr->first]) ^~ main.cpp:19:25: error: base operand of '->' has non-pointer type 'std::pair<int, int>' else if(c == 0 && pr->second == 0) {alb++; dfs(pr->first,0);} ^~ main.cpp:19:54: error: base operand of '->' has non-pointer type 'std::pair<int, int>' else if(c == 0 && pr->second == 0) {alb++; dfs(pr->first,0);} ^~ main.cpp:20:25: error: base operand of '->' has non-pointer type 'std::pair<int, int>' else if(c == 0 && pr->second == 1) {negru++; dfs(pr->first, 1);} ^~ main.cpp:20:56: error: base operand of '->' has non-pointer type 'std::pair<int, int>' else if(c == 0 && pr->second == 1) {negru++; dfs(pr->first, 1);} ^~ main.cpp:21:25: error: base operand of '->' has non-pointer type 'std::pair<int, int>' else if(c == 1 && pr->second == 0) {negru++; dfs(pr->first, 1);} ^~ main.cpp:21:56: error: base operand of '->' has non-pointer type 'std::pair<int, int>' else if(c == 1 && pr->second == 0) {negru++; dfs(pr->first, 1);} ^~ main.cpp:22:25: error: base operand of '->' has non-pointer type 'std::pair<int, int>' else if(c == 1 && pr->second == 1) {alb++, dfs(y->first, 0);} ^~ main.cpp:22:52: error: 'y' was not declared in this scope else if(c == 1 && pr->second == 1) {alb++, dfs(y->first, 0);} ^ main.cpp: In function 'int main()': main.cpp:30:12: error: 't' was not declared in this scope fin >> t >> x >> y; ^ main.cpp:30:17: error: 'x' was not declared in this scope fin >> t >> x >> y; ^ main.cpp:30:22: error: 'y' was not declared in this scope fin >> t >> x >> y; ^ Non zero exit status: 1