Compilare: main.cpp: In function 'int main()': main.cpp:88:94: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 88 | if (fr[s[i] - 'a'] != 0 and f[s[i] - 'a'] + poz[s[i] - 'a'].size() - unde[i] == fr[s[i] - 'a']) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp:98:70: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 98 | for (; poz[j - 'a'][ind] < bound and ind < poz[j - 'a'].size(); ind++); | ~~~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:99:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | for (; ind < poz[j - 'a'].size() and poz[j - 'a'][ind] < i and f[j - 'a'] < fr[j - 'a']; ind++) | ~~~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:102:37: warning: unused variable 'x' [-Wunused-variable] 102 | int x = poz[j - 'a'][ind]; | ^ main.cpp:96:33: warning: unused variable 'aux' [-Wunused-variable] 96 | int aux = poz[j - 'a'][ind]; | ^~~ main.cpp:97:34: warning: variable 'ok' set but not used [-Wunused-but-set-variable] 97 | bool ok = 0; | ^~ main.cpp:78:17: warning: unused variable 'off' [-Wunused-variable] 78 | int off = pos.back(); | ^~~ main.cpp: In function 'int cauta(int, int)': main.cpp:45:1: warning: control reaches end of non-void function [-Wreturn-type] 45 | } | ^