Compilare: main.cpp: In function 'void dfs(int)': main.cpp:23:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for(int i = 0; i < edge[node].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs1(int, int)': main.cpp:33:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | for(int i = 0; i < revedge[node].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:64:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for(int j = 0; j < edge[i].size(); j++){ | ~~^~~~~~~~~~~~~~~~ main.cpp:89:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 89 | for(int i = 0; i < edgecom[curr].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:88:14: warning: unused variable 'ok' [-Wunused-variable] 88 | bool ok = true; | ^~ main.cpp:99:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | for(int i = 0; i < topsort.size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp:102:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | for(int i = 0; i < topsort.size(); i++){ | ~~^~~~~~~~~~~~~~~~ main.cpp:106:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 106 | for(int j = 0; j < edgecom[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:126:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 126 | for(int i = 0; i < revedgecom[curr].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:125:14: warning: unused variable 'ok' [-Wunused-variable] 125 | bool ok = true; | ^~ main.cpp:136:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 136 | for(int i = 0; i < topsort.size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp:139:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 139 | for(int i = 0; i < topsort.size(); i++){ | ~~^~~~~~~~~~~~~~~~ main.cpp:143:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 143 | for(int j = 0; j < revedgecom[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:156:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 156 | for(int j = 0; j < chiarcomponenta[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:161:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 161 | for(int i = 0; i < rasp.size(); i++) | ~~^~~~~~~~~~~~~ main.cpp:152:9: warning: unused variable 'ans' [-Wunused-variable] 152 | int ans = 0;