Compilare: user.cpp: In function ‘int main()’: user.cpp:14:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(cuvant);i++) ^ user.cpp:16:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<strlen(cuvant);j++) ^ user.cpp:23:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(s=0;s<=strlen(cuvant)-k;s++) ^ user.cpp:25:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(t=s+k-1;t<strlen(cuvant);t++) ^ user.cpp:27:21: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if((s<i)||(s>j)&&(t<i)||(t>j)) ^ user.cpp:40:7: warning: ‘ok’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(ok==1) ^