提出 #13669371

---

ソースコード 拡げる

#include<bits/stdc++.h>
#include <unistd.h>

#define pb push_back
#define ll long long
int mo =  1e9+7;
// int dp[1000][1000];
using namespace std;


int main(int argc, char const *argv[])
{
	// ios::sync_withss_stdio(false);
	// cin.tie(0);
	// cout.tie(0);

	int n, k;
	scanf("%d%d", &n, &k);
	int a[n];
	for (int i = 0; i < n; ++i)
	{
		scanf("%d", &a[i]);
	}

	long long dp[n+1][k+1];
	long long sumarr[n+1][k+1];
	memset(dp, 0 , sizeof(dp));

	for (int i = 0; i <= k; ++i)
	{
		dp[0][i] = 0;
	}

	dp[0][0] = 1;

	for (int i = 1; i <= n; ++i)
	{
		for (int j = 0; j <= k; ++j)
		{
			if (j == 0)
			{
				sumarr[i-1][j] = dp[i-1][j]%mo;
			} 
			else{
				sumarr[i-1][j] = ((sumarr[i-1][j-1]) + (dp[i-1][j]))%mo; 
			}
		}
		for (int j = 0; j <= k; ++j)
		{
			// int sum = 0;
			// for (int k = 0; k <= min(j , a[i-1]); ++k)
			// {
			// 	sum += dp[i-1][j-k];
			// }
			int t = min(j, a[i-1]);
			if(t == j){
				dp[i][j] = sumarr[i-1][j];
			}
			else{
				dp[i][j] = sumarr[i-1][j] - sumarr[i-1][j-t-1];

			}
		}
	}

	// for (int i = 0; i <= n; ++i)
	// {
	// 	for (int j = 0; j <= k; ++j)
	// 	{
	// 		printf("%lld ", dp[i][j]);
	// 	}
	// 	printf("\n");
	// }
	printf("%lld\n", dp[n][k]);
	// for (int i = 0; i <= n; ++i)
	// {
	// 	for (int j = 0; j <= k; ++j)
	// 	{
	// 		printf("%lld ", sumarr[i][j]);
	// 	}
	// 	printf("\n");
	// }
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘int main(int, const char**)’:
./Main.cpp:18:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &k);
                       ^
./Main.cpp:22:21: 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