Compilare: main.cpp: In function 'int main()': main.cpp:14:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] 14 | fin>>s+1; | ~^~ main.cpp:37:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] 37 | fin>>c+1; | ~^~ main.cpp:50:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for (k=0; k<x[h].size (); k++) | ~^~~~~~~~~~~~~