답안 #55143 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
55143	2018-07-06T06:23:05 Z	노영훈(#1526)	도넛 (JOI14_ho_t3)	C++11	50 / 100	2000 ms	2212 KB

2014_ho_t3

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int MX=100010, inf=2e9;

int n, A[2*MX];
ll ans=0;

ll solve(int A[]){
    ll S[MX]={};
    for(int i=1; i<=n; i++) S[i]=S[i-1]+A[i];
    int s=0, e=n;
    while(s<e){
        int m=(s+e+1)/2;
        int ss=m, ee=n;
        while(ss<ee){
            int mm=(ss+ee)/2;
            if(S[mm]-S[m]>=S[m]) ee=mm;
            else ss=mm+1;
        }
        if(S[ss]-S[m]>=S[m] && S[n]-S[ss]>=S[m]) s=m;
        else e=m-1;
    }
    return S[s];
}

int main(){
    ios::sync_with_stdio(0); cin.tie(0);
    cin>>n;
    for(int i=1; i<=n; i++) cin>>A[i];
    for(int i=1; i<=n; i++){
        ans=max(ans, solve(A+i-1));
        A[i+n]=A[i];
    }
    cout<<ans;
    return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	1144 KB	Output is correct
2	Correct	8 ms	1144 KB	Output is correct
3	Correct	7 ms	1196 KB	Output is correct
4	Correct	8 ms	1196 KB	Output is correct
5	Correct	9 ms	1272 KB	Output is correct
6	Correct	8 ms	1320 KB	Output is correct
7	Correct	7 ms	1352 KB	Output is correct
8	Correct	7 ms	1360 KB	Output is correct
9	Correct	8 ms	1468 KB	Output is correct
10	Correct	7 ms	1468 KB	Output is correct

Subtask #2
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	1144 KB	Output is correct
2	Correct	8 ms	1144 KB	Output is correct
3	Correct	7 ms	1196 KB	Output is correct
4	Correct	8 ms	1196 KB	Output is correct
5	Correct	9 ms	1272 KB	Output is correct
6	Correct	8 ms	1320 KB	Output is correct
7	Correct	7 ms	1352 KB	Output is correct
8	Correct	7 ms	1360 KB	Output is correct
9	Correct	8 ms	1468 KB	Output is correct
10	Correct	7 ms	1468 KB	Output is correct
11	Correct	21 ms	1468 KB	Output is correct
12	Correct	20 ms	1468 KB	Output is correct
13	Correct	21 ms	1516 KB	Output is correct
14	Correct	20 ms	1516 KB	Output is correct
15	Correct	23 ms	1516 KB	Output is correct
16	Correct	21 ms	1516 KB	Output is correct
17	Correct	21 ms	1516 KB	Output is correct
18	Correct	21 ms	1516 KB	Output is correct
19	Correct	21 ms	1516 KB	Output is correct
20	Correct	22 ms	1516 KB	Output is correct

Subtask #3
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	1144 KB	Output is correct
2	Correct	8 ms	1144 KB	Output is correct
3	Correct	7 ms	1196 KB	Output is correct
4	Correct	8 ms	1196 KB	Output is correct
5	Correct	9 ms	1272 KB	Output is correct
6	Correct	8 ms	1320 KB	Output is correct
7	Correct	7 ms	1352 KB	Output is correct
8	Correct	7 ms	1360 KB	Output is correct
9	Correct	8 ms	1468 KB	Output is correct
10	Correct	7 ms	1468 KB	Output is correct
11	Correct	21 ms	1468 KB	Output is correct
12	Correct	20 ms	1468 KB	Output is correct
13	Correct	21 ms	1516 KB	Output is correct
14	Correct	20 ms	1516 KB	Output is correct
15	Correct	23 ms	1516 KB	Output is correct
16	Correct	21 ms	1516 KB	Output is correct
17	Correct	21 ms	1516 KB	Output is correct
18	Correct	21 ms	1516 KB	Output is correct
19	Correct	21 ms	1516 KB	Output is correct
20	Correct	22 ms	1516 KB	Output is correct
21	Correct	404 ms	1616 KB	Output is correct
22	Correct	386 ms	1616 KB	Output is correct
23	Correct	376 ms	1616 KB	Output is correct
24	Correct	406 ms	1616 KB	Output is correct
25	Correct	403 ms	1616 KB	Output is correct
26	Correct	388 ms	1616 KB	Output is correct
27	Correct	421 ms	1660 KB	Output is correct
28	Correct	421 ms	1660 KB	Output is correct
29	Correct	418 ms	1660 KB	Output is correct
30	Correct	428 ms	1660 KB	Output is correct
31	Correct	428 ms	1660 KB	Output is correct
32	Correct	376 ms	1660 KB	Output is correct
33	Correct	448 ms	1660 KB	Output is correct
34	Correct	402 ms	1660 KB	Output is correct
35	Correct	414 ms	1660 KB	Output is correct

Subtask #4
0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	1144 KB	Output is correct
2	Correct	8 ms	1144 KB	Output is correct
3	Correct	7 ms	1196 KB	Output is correct
4	Correct	8 ms	1196 KB	Output is correct
5	Correct	9 ms	1272 KB	Output is correct
6	Correct	8 ms	1320 KB	Output is correct
7	Correct	7 ms	1352 KB	Output is correct
8	Correct	7 ms	1360 KB	Output is correct
9	Correct	8 ms	1468 KB	Output is correct
10	Correct	7 ms	1468 KB	Output is correct
11	Correct	21 ms	1468 KB	Output is correct
12	Correct	20 ms	1468 KB	Output is correct
13	Correct	21 ms	1516 KB	Output is correct
14	Correct	20 ms	1516 KB	Output is correct
15	Correct	23 ms	1516 KB	Output is correct
16	Correct	21 ms	1516 KB	Output is correct
17	Correct	21 ms	1516 KB	Output is correct
18	Correct	21 ms	1516 KB	Output is correct
19	Correct	21 ms	1516 KB	Output is correct
20	Correct	22 ms	1516 KB	Output is correct
21	Correct	404 ms	1616 KB	Output is correct
22	Correct	386 ms	1616 KB	Output is correct
23	Correct	376 ms	1616 KB	Output is correct
24	Correct	406 ms	1616 KB	Output is correct
25	Correct	403 ms	1616 KB	Output is correct
26	Correct	388 ms	1616 KB	Output is correct
27	Correct	421 ms	1660 KB	Output is correct
28	Correct	421 ms	1660 KB	Output is correct
29	Correct	418 ms	1660 KB	Output is correct
30	Correct	428 ms	1660 KB	Output is correct
31	Correct	428 ms	1660 KB	Output is correct
32	Correct	376 ms	1660 KB	Output is correct
33	Correct	448 ms	1660 KB	Output is correct
34	Correct	402 ms	1660 KB	Output is correct
35	Correct	414 ms	1660 KB	Output is correct
36	Execution timed out	2069 ms	2212 KB	Time limit exceeded
37	Halted	0 ms	0 KB	-

답안 #55143

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 15.0 / 15.0

Subtask #3 30.0 / 30.0

Subtask #4 0 / 50.0

Subtask #1
5.0 / 5.0

Subtask #2
15.0 / 15.0

Subtask #3
30.0 / 30.0

Subtask #4
0 / 50.0