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Re:5.5秒险过,哈哈哈哈哈哈哈哈哈In Reply To:5.5秒险过,哈哈哈哈哈哈哈哈哈 Posted by:vjubge4 at 2019-06-21 19:00:29 > #include<cstdio> > #include<cstring> > #include<algorithm> > using namespace std; > int N, S; > int dp[100000][2]; > int arr[10000]; > > int main() { > while(true) { > scanf("%d %d", &N, &S); > if(N == 0 && S == 0) { > break; > } > for(int i = 0; i < N; i ++) { > scanf("%d", arr + i); > } > memset(dp, 0, sizeof(dp)); > dp[0][0] = true; > int ans = 0; > for(int j = 0; j < N; j ++) { > for(int i = S; i >= 0; i --) { > if(arr[j] <= i) { > if(dp[i - arr[j]][0]) { > dp[i][1] = true; > } > if(dp[i - arr[j]][1]) { > dp[i][0] = true; > } > } > } > } > for(int i = 1; i <= S; i ++) { > if(!dp[i][0] && dp[i][1]) { > ans ++; > } > } > printf("%d\n", ans); > } > } Followed by: Post your reply here: |
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