Compilare: main.cpp: In function 'std::string test()': main.cpp:147:57: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 147 | vis[i] = father[i] = color[i] = whereOnCycle[i] = mars[i] = ans[i] = 0; | ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:147:28: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 147 | vis[i] = father[i] = color[i] = whereOnCycle[i] = mars[i] = ans[i] = 0; | ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:162:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 162 | for (int i = 1; i < cycle.size(); ++ i) { | ~~^~~~~~~~~~~~~~ main.cpp:196:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 196 | for (int i = 1; i < neighCycle[0].size(); ++ i) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:198:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 198 | for (int i = 2; i < neighCycle[0].size(); ++ i) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:201:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 201 | for (int i = 1; i < neighCycle[1].size(); ++ i) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:203:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 203 | for (int i = 2; i < neighCycle[1].size(); ++ i) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:206:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 206 | for (int i = 0; i < neighCycle[0].size() && i < 2; ++ i) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:207:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 207 | for (int j = 0; j < neighCycle[1].size() && j < 2; ++ j) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:216:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 216 | for (int i = 1; i < cycle.size(); ++ i) { | ~~^~~~~~~~~~~~~~