답안 #1093890

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1093890	2024-09-28T03:10:10 Z	InvMOD	쌀 창고 (IOI11_ricehub)	C++14	100 / 100	9 ms	2652 KB

ricehub

#include<bits/stdc++.h>

using namespace std;

using ll = long long;

template<typename T> bool ckmx(T& a, const T& b){if(a < b) return a = b, true; return false;}

const int N = 1e5+5;

ll n, budget;
ll pref[N];

ll calc(int l, int r){
    int mid = (l+r)>>1;

    ll valMid = pref[mid] - pref[mid-1];
    ll prefixLmid = valMid * (1ll * (mid - l+1)) - (pref[mid] - pref[l-1]);
    ll prefixmidR = (pref[r] - pref[mid]) - valMid * (1ll * (r - mid));

    return prefixLmid + prefixmidR;
}

bool ok(int l, int r){
    return calc(l, r) <= budget;
}

int besthub(int R, int L, int x[], ll B)
{
    n = R, budget = B;
    for(int i = 1; i <= n; i++){
        pref[i] = pref[i-1] + 1ll * x[i-1];
    }

    int pointer = 1, answer = 0;
    for(int i = 1; i <= n; i++){
        while(pointer <= n && ok(i, pointer)) pointer++;
        ckmx(answer, pointer - i);
    }

    return answer;
}

Subtask #1

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	352 KB	Output is correct
2	Correct	0 ms	604 KB	Output is correct
3	Correct	0 ms	356 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct

Subtask #2

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	352 KB	Output is correct
3	Correct	0 ms	352 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	600 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	352 KB	Output is correct
17	Correct	0 ms	352 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	352 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	0 ms	600 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	448 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	444 KB	Output is correct

Subtask #3

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	448 KB	Output is correct
5	Correct	0 ms	352 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	352 KB	Output is correct
11	Correct	0 ms	352 KB	Output is correct
12	Correct	1 ms	352 KB	Output is correct
13	Correct	0 ms	356 KB	Output is correct
14	Correct	1 ms	352 KB	Output is correct
15	Correct	0 ms	356 KB	Output is correct
16	Correct	0 ms	352 KB	Output is correct
17	Correct	0 ms	352 KB	Output is correct
18	Correct	0 ms	352 KB	Output is correct
19	Correct	1 ms	352 KB	Output is correct
20	Correct	0 ms	352 KB	Output is correct
21	Correct	1 ms	352 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	344 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	496 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	344 KB	Output is correct

Subtask #4

32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	604 KB	Output is correct
2	Correct	2 ms	860 KB	Output is correct
3	Correct	9 ms	2608 KB	Output is correct
4	Correct	9 ms	2652 KB	Output is correct
5	Correct	4 ms	1132 KB	Output is correct
6	Correct	4 ms	1236 KB	Output is correct
7	Correct	8 ms	2396 KB	Output is correct
8	Correct	8 ms	2168 KB	Output is correct
9	Correct	4 ms	1116 KB	Output is correct
10	Correct	4 ms	1116 KB	Output is correct
11	Correct	9 ms	2524 KB	Output is correct
12	Correct	9 ms	2648 KB	Output is correct
13	Correct	5 ms	1248 KB	Output is correct
14	Correct	5 ms	1372 KB	Output is correct
15	Correct	7 ms	2108 KB	Output is correct
16	Correct	7 ms	1996 KB	Output is correct
17	Correct	9 ms	2396 KB	Output is correct
18	Correct	8 ms	2244 KB	Output is correct
19	Correct	9 ms	2500 KB	Output is correct
20	Correct	9 ms	2572 KB	Output is correct