Compilare: main.cpp: In function 'int main()': main.cpp:29:23: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] if( i >= k && j >= k & val > max ) { ~~^~~~ main.cpp:14:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d%d", &n, &p, &k ); ^ main.cpp:16:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &y, &x ); ^