Compilare: user.cpp: In function ‘int main()’: user.cpp:69:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h=0;h<strlen(cuv);h++) ^ user.cpp:78:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int d=2;d<=strlen(cuv);d++) ^ user.cpp:79:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<strlen(cuv);i++) ^ user.cpp:82:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j<strlen(cuv)) ^ user.cpp:97:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(d==strlen(cuv)&&a[i][j][l][c]<r) ^