Compilare: user.cpp: In function ‘int main()’: user.cpp:9:35: warning: unused variable ‘s’ [-Wunused-variable] int n, x, i, j, m, y, sol, mij, s, st, dr, nr; ^ user.cpp:10:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &x); ^ user.cpp:14:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &y); ^