Compilare: user.c: In function ‘findMaxSum’: user.c:56:60: warning: variable ‘finalBottom’ set but not used [-Wunused-but-set-variable] int maxSum = INT_MIN, finalLeft, finalRight, finalTop, finalBottom; ^ user.c:56:50: warning: variable ‘finalTop’ set but not used [-Wunused-but-set-variable] int maxSum = INT_MIN, finalLeft, finalRight, finalTop, finalBottom; ^ user.c:56:38: warning: variable ‘finalRight’ set but not used [-Wunused-but-set-variable] int maxSum = INT_MIN, finalLeft, finalRight, finalTop, finalBottom; ^ user.c:56:27: warning: variable ‘finalLeft’ set but not used [-Wunused-but-set-variable] int maxSum = INT_MIN, finalLeft, finalRight, finalTop, finalBottom; ^ user.c: In function ‘main’: user.c:103:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &n, &m); ^ user.c:109:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &a[i]); ^ user.c:113:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &b[j]); ^