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Submission #110756

# Submission time Handle Problem Language Result Execution time Memory
110756 2019-05-12T07:50:58 Z TAISA_ Gap (APIO16_gap) C++14
100 / 100
 88 ms 2740 KB 
#include "gap.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
/*void MinMax(ll l, ll r, ll& mi, ll& ma) {
    cout << l << " " << r << endl;
    cin >> mi >> ma;
}*/
ll findGap(int T, int n) {
    ll INF = 1000000000000000000LL;
    ll N = n;
    ll mi, ma;
    MinMax(0LL, INF, &mi, &ma);
    if(N == ma - mi + 1LL) {
        return 1LL;
    }
    if(T == 1) {
        vector<ll> v1, v2;
        v1.push_back(mi);
        v2.push_back(ma);
        for(int i = 0; i < N / 2 - 1; i++) {
            MinMax(mi + 1LL, ma - 1LL, &mi, &ma);
            v1.push_back(mi);
            v2.push_back(ma);
        }
        if(N % 2) {
            MinMax(mi + 1LL, ma - 1LL, &mi, &ma);
            v1.push_back(mi);
        }
        reverse(v2.begin(), v2.end());
        for(auto e : v2) {
            v1.push_back(e);
        }
        ll res = 0;
        for(int i = 1; i < N; i++) {
            res = max(res, v1[i] - v1[i - 1]);
        }
        return res;
    } else {
        ll l = (ma - mi + 1LL) / N + 1LL, m = (ma - mi + 1LL) % N;
        ll b = mi, res = 0, t = mi, s = 0, maa = ma;
        bool f = false;
        for(int i = 0; i < N - 1; i++) {
            ll nl = l - (i >= m);
            MinMax(t, t + nl - 1LL, &mi, &ma);
            if(mi == -1) {
                if(f) {
                    s += nl;
                } else {
                    s += nl + (t - b);
                    f = true;
                }
            } else {
                if(f) {
                    s += mi - t;
                    res = max(res, s);
                    s = 0;
                    f = false;
                } else {
                    res = max(res, mi - b);
                }
                b = ma;
            }
            t += nl;
        }
        MinMax(t, maa - 1, &mi, &ma);
        if(mi == -1) {
            if(f) {
                s += maa - t;
                res = max(res, s);
            } else {
                res = max(res, maa - b);
            }
        } else {
            if(f) {
                s += mi - t;
                res = max(res, s);
            } else {
                res = max(res, mi - b);
            }
        }
        return res;
    }
}
/*int main() {
    cout << findGap(0, 4) << endl;
}*/

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 320 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 428 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 356 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 4 ms 356 KB Output is correct
16 Correct 14 ms 1024 KB Output is correct
17 Correct 15 ms 1024 KB Output is correct
18 Correct 18 ms 1068 KB Output is correct
19 Correct 19 ms 1060 KB Output is correct
20 Correct 15 ms 1076 KB Output is correct
21 Correct 69 ms 2672 KB Output is correct
22 Correct 54 ms 2712 KB Output is correct
23 Correct 54 ms 2676 KB Output is correct
24 Correct 52 ms 2716 KB Output is correct
25 Correct 47 ms 2716 KB Output is correct
26 Correct 68 ms 2740 KB Output is correct
27 Correct 62 ms 2716 KB Output is correct
28 Correct 53 ms 2720 KB Output is correct
29 Correct 53 ms 2732 KB Output is correct
30 Correct 51 ms 2712 KB Output is correct
31 Correct 3 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct

Subtask #2
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 276 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 356 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 4 ms 400 KB Output is correct
14 Correct 3 ms 364 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 20 ms 604 KB Output is correct
17 Correct 20 ms 580 KB Output is correct
18 Correct 19 ms 588 KB Output is correct
19 Correct 18 ms 588 KB Output is correct
20 Correct 10 ms 588 KB Output is correct
21 Correct 77 ms 1172 KB Output is correct
22 Correct 72 ms 1168 KB Output is correct
23 Correct 72 ms 1232 KB Output is correct
24 Correct 74 ms 1048 KB Output is correct
25 Correct 68 ms 1156 KB Output is correct
26 Correct 73 ms 1172 KB Output is correct
27 Correct 71 ms 1048 KB Output is correct
28 Correct 78 ms 1156 KB Output is correct
29 Correct 88 ms 1172 KB Output is correct
30 Correct 54 ms 1140 KB Output is correct
31 Correct 2 ms 356 KB Output is correct
32 Correct 2 ms 392 KB Output is correct