提出 #4286373

---

ソースコード 拡げる

#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#define N 10020
#define M 20
using namespace std;

const int c[] = {0, 2, 5, 5, 4, 5, 6, 3, 7, 6};

int A[M];
int f[N][M];

int main(void)
{
    int n, m;
    int i, j, k;

    scanf("%d %d", &n, &m);
    for(i = 1; i <= m; i ++)
    {
        scanf("%d", &A[i]);
        f[c[A[i]]][A[i]] = 1;
    }

    sort(A + 1, A + m + 1);

    for(i = 2; i < n; i ++)
        for(j = 1; j <= m; j ++)
            if(f[i][A[j]])
                for(k = 1; k <= m; k ++)
                    f[i + c[A[k]]][A[k]] = max(f[i + c[A[k]]][A[k]], f[i][A[j]] + 1);

    for(i = n; i; i -= c[A[k]])
    {
        for(j = 1, k = 0; j <= m; j ++)
            if(f[i][A[j]] && f[i][A[k]] <= f[i][A[j]])
                k = j;
        putchar(A[k] + '0');
    }

    return 0;
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘int main()’:
./Main.cpp:20:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &m);
                           ^
./Main.cpp:23:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &A[i]);
                           ^

ジャッジ結果