Submission #404332

#	Time	Username	Problem	Language	Result	Execution time	Memory
404332		Ruxandra985	Red-blue table (IZhO19_stones)	C++14	0 / 100	9 ms	1356 KiB

stones

#include <bits/stdc++.h>

using namespace std;
char a[1010][1010];
int main()
{
    FILE *fin = stdin;
    FILE *fout = stdout;
    int t , n , m , i , j , opt;
    fscanf (fin,"%d",&t);
    for (;t;t--){

        fscanf (fin,"%d%d",&n,&m);

        if (n >= m){

            for (i = 1 ; i <= n ; i++){
                for (j = 1 ; j <= m ; j++){
                    a[i][j] = '+';
                }
            }

            opt = m - (m / 2 + 1);

            for (i = 1 ; i <= n ; i++){
                for (j = 1 ; j <= opt ; j++){
                    a[i][j] = '-';
                }
            }

            fprintf (fout,"%d\n" , n + opt);
            for (i = 1 ; i <= n ; i++){
                for (j = 1 ; j <= m ; j++){
                    fputc(a[i][j] , fout);
                }
                fprintf (fout,"\n");
            }

        }
        else {

            for (i = 1 ; i <= n ; i++){
                for (j = 1 ; j <= m ; j++){
                    a[i][j] = '-';
                }
            }

            opt = n - (n / 2 + 1);

            for (i = 1 ; i <= opt ; i++){
                for (j = 1 ; j <= m ; j++){
                    a[i][j] = '-';
                }
            }

            fprintf (fout,"%d\n" , m + opt);
            for (i = 1 ; i <= n ; i++){
                for (j = 1 ; j <= m ; j++){
                    fputc(a[i][j] , fout);
                }
                fprintf (fout,"\n");
            }

        }



    }
    return 0;
}

Compilation message (stderr)

stones.cpp: In function 'int main()':
stones.cpp:10:12: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |     fscanf (fin,"%d",&t);
      |     ~~~~~~~^~~~~~~~~~~~~
stones.cpp:13:16: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |         fscanf (fin,"%d%d",&n,&m);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 17
• Subtask 2: 0 / 10
• Subtask 3: 0 / 16
• Subtask 4: 0 / 11
• Subtask 5: 0 / 15
• Subtask 6: 0 / 31