Compilare: user.cpp: In function ‘int main()’: user.cpp:41:22: warning: statement has no effect [-Wunused-value] for(j; j <= j_limit; j++) ^ user.cpp:56:22: warning: statement has no effect [-Wunused-value] for(j; j <= j_limit; j++) ^ user.cpp:12:61: warning: unused variable ‘sol2’ [-Wunused-variable] int n, K, D, m, a, b, x, y, i, j, pb, contor, sol1 = 0, sol2, t, jD, i_limit, j_limit, j2, k; ^ user.cpp:13:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &pb); ^ user.cpp:14:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d", &n, &K, &D); ^ user.cpp:26:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &a, &b); ^ user.cpp:30:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &m); ^ user.cpp:32:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &x, &y); ^