Compilare: main.cpp: In function 'int dfs(int)': main.cpp:26:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for(int i=0;i<v[poz].dest.size();i++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp:33:1: warning: no return statement in function returning non-void [-Wreturn-type] 33 | } | ^ main.cpp: In function 'int adau()': main.cpp:39:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(int i=0;i<cuv.length();i++) | ~^~~~~~~~~~~~~ main.cpp:42:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for(int k=0;k<v[poz].dest.size();k++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int sterg()': main.cpp:74:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for(int i=0;i<cuv.length();i++) | ~^~~~~~~~~~~~~ main.cpp:76:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int k=0;k<v[poz].dest.size();k++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp:87:1: warning: no return statement in function returning non-void [-Wreturn-type] 87 | } | ^ main.cpp: In function 'int fre()': main.cpp:94:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 94 | for(int i=0;i<cuv.length();i++) | ~^~~~~~~~~~~~~ main.cpp:97:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 97 | for(int k=0;k<v[poz].dest.size();k++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp:123:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 123 | for(int i=0;i<v[poz].dest.size();i++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int calc()': main.cpp:143:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 143 | for(int i=0;i<v[poz].dest.size();i++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int dfs(int)': main.cpp:24:5: warning: infinite recursion detected [-Winfinite-recursion] 24 | int dfs(int poz) | ^~~ main.cpp:29:12: note: recursive call 29 | dfs(v[poz].dest[i]); | ~~~^~~~~~~~~~~~~~~~