Compilare: main.cpp: In function 'bool cautare(int)': main.cpp:17:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for (int i = 0; i < v[cheie].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:32:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 32 | if (!cautare(x)); { | ^~ main.cpp:32:35: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 32 | if (!cautare(x)); { | ^ main.cpp:38:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for (int i = 0; i < v[cheie].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~ main.cpp:40:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for (int j = i; j < v[cheie].size(); ++j) { | ~~^~~~~~~~~~~~~~~~~