답안 #83784

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
83784	2018-11-10T14:36:01 Z	popovicirobert	Gap (APIO16_gap)	C++14	100 / 100	83 ms	2268 KB

gap

#include "gap.h"
#define ll long long
#include <bits/stdc++.h>

using namespace std;

const int MAXN = (int) 1e5;
const ll INF = 1e18;

ll arr[MAXN + 1];

long long findGap(int T, int N) {
    ll A, B;
    if(T == 1) {
        ll ans = 0;
        A = 0;
        B = INF;
        for(int i = 1; i <= N - i + 1; i++) {
            ll mn, mx;
            MinMax(A, B, &arr[i], &arr[N - i + 1]);
            A = arr[i] + 1;
            B = arr[N - i + 1] - 1;
        }
        for(int i = 1; i < N; i++) {
            ans = max(ans, arr[i + 1] - arr[i]);
        }
        return ans;
    }
    MinMax(0, INF, &A, &B);
    ll dif = (B - A + N - 2) / (N - 1);
    ll cur = A, ans = dif;
    while(cur < B) {
        ll s, t, mn, mx;
        s = t = cur + 1;
        do {
            t += dif;
            if(t > B) {
                t = min(t, B);
            }
            MinMax(s, t, &mn, &mx);
            if(mx == -1) {
                continue;
            }
            else {
                break;
            }
        }while(1);
        ans = max(ans, mn - cur);
        dif = max(dif, ans);
        cur = mx;
        //cerr << cur << " ";
    }
	return ans;
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:19:16: warning: unused variable 'mn' [-Wunused-variable]
             ll mn, mx;
                ^~
gap.cpp:19:20: warning: unused variable 'mx' [-Wunused-variable]
             ll mn, mx;
                    ^~

Subtask #1

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	380 KB	Output is correct
3	Correct	2 ms	564 KB	Output is correct
4	Correct	2 ms	616 KB	Output is correct
5	Correct	2 ms	616 KB	Output is correct
6	Correct	3 ms	644 KB	Output is correct
7	Correct	2 ms	644 KB	Output is correct
8	Correct	2 ms	644 KB	Output is correct
9	Correct	3 ms	644 KB	Output is correct
10	Correct	2 ms	644 KB	Output is correct
11	Correct	3 ms	644 KB	Output is correct
12	Correct	3 ms	644 KB	Output is correct
13	Correct	3 ms	644 KB	Output is correct
14	Correct	3 ms	644 KB	Output is correct
15	Correct	3 ms	644 KB	Output is correct
16	Correct	16 ms	976 KB	Output is correct
17	Correct	17 ms	992 KB	Output is correct
18	Correct	16 ms	1000 KB	Output is correct
19	Correct	16 ms	1000 KB	Output is correct
20	Correct	12 ms	1004 KB	Output is correct
21	Correct	56 ms	2268 KB	Output is correct
22	Correct	57 ms	2268 KB	Output is correct
23	Correct	58 ms	2268 KB	Output is correct
24	Correct	63 ms	2268 KB	Output is correct
25	Correct	58 ms	2268 KB	Output is correct
26	Correct	58 ms	2268 KB	Output is correct
27	Correct	56 ms	2268 KB	Output is correct
28	Correct	62 ms	2268 KB	Output is correct
29	Correct	83 ms	2268 KB	Output is correct
30	Correct	49 ms	2268 KB	Output is correct
31	Correct	2 ms	2268 KB	Output is correct
32	Correct	2 ms	2268 KB	Output is correct

Subtask #2

70.0 / 70.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2268 KB	Output is correct
2	Correct	2 ms	2268 KB	Output is correct
3	Correct	2 ms	2268 KB	Output is correct
4	Correct	2 ms	2268 KB	Output is correct
5	Correct	2 ms	2268 KB	Output is correct
6	Correct	2 ms	2268 KB	Output is correct
7	Correct	2 ms	2268 KB	Output is correct
8	Correct	2 ms	2268 KB	Output is correct
9	Correct	2 ms	2268 KB	Output is correct
10	Correct	2 ms	2268 KB	Output is correct
11	Correct	3 ms	2268 KB	Output is correct
12	Correct	3 ms	2268 KB	Output is correct
13	Correct	3 ms	2268 KB	Output is correct
14	Correct	3 ms	2268 KB	Output is correct
15	Correct	3 ms	2268 KB	Output is correct
16	Correct	11 ms	2268 KB	Output is correct
17	Correct	12 ms	2268 KB	Output is correct
18	Correct	12 ms	2268 KB	Output is correct
19	Correct	12 ms	2268 KB	Output is correct
20	Correct	9 ms	2268 KB	Output is correct
21	Correct	37 ms	2268 KB	Output is correct
22	Correct	37 ms	2268 KB	Output is correct
23	Correct	37 ms	2268 KB	Output is correct
24	Correct	43 ms	2268 KB	Output is correct
25	Correct	76 ms	2268 KB	Output is correct
26	Correct	60 ms	2268 KB	Output is correct
27	Correct	46 ms	2268 KB	Output is correct
28	Correct	41 ms	2268 KB	Output is correct
29	Correct	42 ms	2268 KB	Output is correct
30	Correct	27 ms	2268 KB	Output is correct
31	Correct	2 ms	2268 KB	Output is correct
32	Correct	3 ms	2268 KB	Output is correct