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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#365310#7845. Fast Forwardkevinyang#WA 1ms3572kbC++171008b2024-03-25 02:20:202024-03-25 02:20:21

Judging History

你现在查看的是最新测评结果

  • [2024-03-25 02:20:21]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3572kb
  • [2024-03-25 02:20:20]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define int long long
const int ln = 21;
signed main(){
	cin.tie(nullptr)->sync_with_stdio(false);
	int n,c;
	cin >> n >> c;
	vector<int>a(n*2+1);
	vector<int>psa(n*2+1);
	for(int i = 1; i<=n; i++){
		cin >> a[i];
		a[i+n] = a[i];
	}
	for(int i = 1; i<=2*n; i++){
		psa[i] = psa[i-1] + a[i];
	}
	vector<vector<int>>dp(2*n+2,vector<int>(ln));
	dp[2*n+1][0] = 2*n+1;
	for(int i = 1; i<=2*n; i++){
		int low = i;
		int high = 2*n;
		while(low + 1 < high){
			int mid = (low+high)/2;
			if(psa[mid]-psa[i-1] >= c){
				high = mid;
			}
			else{
				low = mid;
			}
		}
		dp[i][0] = high+1;
	}
	for(int j = 1; j<ln; j++){
		for(int i = 1; i<=2*n+1; i++){
			dp[i][j] = dp[dp[i][j-1]][j-1];
		}
	}
	for(int i = 1; i<=n; i++){
		int ans = 0;
		int u = i;
		for(int j = ln-1; j>=0; j--){
			if(dp[u][j]<i+n){
				u = dp[u][j];
				ans+=1<<j;
			}
		}
		cout << ans;
		if(i<n)cout << ' ';
	}
	cout << '\n';
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 3484kb

input:

7 7
1 1 1 1 1 1 1

output:

0 0 0 0 0 0 0

result:

ok single line: '0 0 0 0 0 0 0'

Test #2:

score: 0
Accepted
time: 1ms
memory: 3572kb

input:

3 3
1 1 3

output:

0 1 1

result:

ok single line: '0 1 1'

Test #3:

score: -100
Wrong Answer
time: 0ms
memory: 3536kb

input:

10 5
4 1 5 5 1 3 2 1 5 2

output:

4 4 4 4 4 4 4 4 4 4

result:

wrong answer 1st lines differ - expected: '5 4 5 4 4 5 4 4 5 4', found: '4 4 4 4 4 4 4 4 4 4'