Compilare: main.cpp: In function 'int main()': main.cpp:24:19: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 24 | for(i=0; i<=strlen(s)-1; i++) | ~^~~~~~~~~~~~~ main.cpp:32:44: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 32 | else if(ok==1 && prec>s[i] && i!=strlen(s)-1 && s[i+1]>s[i]) | ~^~~~~~~~~~~~~