답안 #560420

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
560420	2022-05-11T11:31:24 Z	Yazan_Alattar	Cigle (COI21_cigle)	C++14	9 / 100	4 ms	2844 KB

cigle

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define F first
#define S second
#define pb push_back
#define endl "\n"
#define all(x) x.begin(), x.end()
const int M = 5007;
const ll inf = 1e18;
const ll mod = 1e9 + 7;
const double pi = acos(-1);
const double eps = 1e-6;
const int dx[] = {0, -1, 0, 1}, dy[] = {1, 0, -1, 0};
const int block = 320;

int n, a[M], dp[M][M], ans;

int main(){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n;
    for(int i = 1; i <= n; ++i) cin >> a[i];

    for(int i = 1; i <= n; ++i){
        for(int j = i; j <= n; ++j){
            dp[i][j] = max(dp[i][j], dp[i][j - 1]);
            dp[i][j] = max(dp[i][j], dp[i - 1][j]);
        }

        int lenk = 0, lenj = 0, k = i - 1, cnt = 0;

        for(int j = i; j <= n; ++j){
            lenj += a[j];
            while(k > 1  && lenk < lenj) lenk += a[k--];
            if(lenj == lenk) ++cnt;

            dp[i][j + 1] = max(dp[i][j + 1], dp[k][i - 1] + cnt);
        }
    }

    for(int i = 1; i <= n; ++i) ans = max(ans, dp[i][n]);
    cout << ans << endl;
    return 0;
}

Subtask #1

9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct

Subtask #2

0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	596 KB	Output is correct
11	Correct	1 ms	596 KB	Output is correct
12	Correct	1 ms	596 KB	Output is correct
13	Correct	1 ms	660 KB	Output is correct
14	Correct	1 ms	596 KB	Output is correct
15	Incorrect	1 ms	596 KB	Output isn't correct
16	Halted	0 ms	0 KB	-

Subtask #3

0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	2772 KB	Output is correct
2	Correct	4 ms	2844 KB	Output is correct
3	Correct	3 ms	2772 KB	Output is correct
4	Correct	4 ms	2772 KB	Output is correct
5	Correct	3 ms	2760 KB	Output is correct
6	Incorrect	3 ms	2772 KB	Output isn't correct
7	Halted	0 ms	0 KB	-

Subtask #4

0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	596 KB	Output is correct
11	Correct	1 ms	596 KB	Output is correct
12	Correct	1 ms	596 KB	Output is correct
13	Correct	1 ms	660 KB	Output is correct
14	Correct	1 ms	596 KB	Output is correct
15	Incorrect	1 ms	596 KB	Output isn't correct
16	Halted	0 ms	0 KB	-

Subtask #5

0 / 52.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	596 KB	Output is correct
11	Correct	1 ms	596 KB	Output is correct
12	Correct	1 ms	596 KB	Output is correct
13	Correct	1 ms	660 KB	Output is correct
14	Correct	1 ms	596 KB	Output is correct
15	Incorrect	1 ms	596 KB	Output isn't correct
16	Halted	0 ms	0 KB	-