oj.uz

답안 #366808

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
366808 2021-02-15T10:13:44 Z BartolM Shortcut (IOI16_shortcut) C++17
0 / 100
 1 ms 512 KB 
#include "shortcut.h"
#include <bits/stdc++.h>

using namespace std;

#define X first
#define Y second
#define mp make_pair
#define pb push_back
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <int, pii> pip;
typedef pair <pii, int> ppi;
typedef pair <ll, ll> pll;

const int INF=0x3f3f3f3f;
const int N=3e5+5;

ll sum[N];
ll pref[N], suff[N];
ll until[N], later[N];

#define DEBUG 0

long long find_shortcut(int n, vector<int> l, vector<int> d, int c) {
    l.insert(l.begin(), 0);
    sum[0]=0;
    for (int i=1; i<n; ++i) sum[i]=sum[i-1]+l[i];

    pref[0]=d[0];
    until[0]=d[0];
    for (int i=1; i<n; ++i) {
        until[i]=max(until[i-1]+l[i], (ll)d[i]);
        pref[i]=max(pref[i-1], until[i-1]+d[i]+l[i]);
    }

    suff[n-1]=d[n-1];
    later[n-1]=d[n-1];
    for (int i=n-2; i>=0; --i) {
        later[i]=max(later[i+1]+l[i+1], (ll)d[i]);
        suff[i]=max(suff[i+1], later[i+1]+d[i]+l[i+1]);
    }

    ll najv=-1;
    int lef=-1, rig=-1;
    for (int i=0; i<n; ++i) {
        for (int j=i+1; j<n; ++j) {
            ll curr=sum[j]-sum[i]+d[i]+d[j];
            if (curr>najv || (curr==najv && j-i<rig-lef)) najv=curr, lef=i, rig=j;
        }
    }

#if DEBUG
    printf("until: ");
    for (int i=0; i<n; ++i) printf("%lld ", until[i]);
    printf("\npref: ");
    for (int i=0; i<n; ++i) printf("%lld ", pref[i]);
    printf("\nlater: ");
    for (int i=0; i<n; ++i) printf("%lld ", later[i]);
    printf("\nsuff: ");
    for (int i=0; i<n; ++i) printf("%lld ", suff[i]);
    printf("\n\n");
#endif // DEBUG

    ll sol=pref[n-1];
    for (int i=lef; i<rig; ++i) {
        for (int j=i+1; j<=rig; ++j) {
            if (sum[j]-sum[i]<=c) continue;

            ll maxi=max(pref[i], suff[j]);
            maxi=max(maxi, until[i]+later[j]+c);

#if DEBUG
            printf("i: %d, j: %d, maxi: %lld\n", i, j, maxi);
#endif

            for (int k=i+1; k<j; ++k) {
                ll curr1=min(sum[j]-sum[k]+d[k]+c+until[i], d[k]+sum[k]-sum[i]+until[i]);
                maxi=max(maxi, curr1);

                ll curr2=min(sum[k]-sum[i]+d[k]+c+later[j], d[k]+sum[j]-sum[k]+later[j]);
                maxi=max(maxi, curr2);

                #if DEBUG
                    printf("k: %d, prvo: %lld, drugo: %lld\n", k, curr1, curr2);
                #endif // DEBUG
            }
            #if DEBUG
                printf("ukupno ==================== %lld\n\n", maxi);
            #endif
            sol=min(sol, maxi);
        }
    }

    return sol;
}

Subtask #1
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 500 KB n = 4, 80 is a correct answer
2 Correct 0 ms 364 KB n = 9, 110 is a correct answer
3 Correct 0 ms 364 KB n = 4, 21 is a correct answer
4 Correct 1 ms 364 KB n = 3, 4 is a correct answer
5 Correct 1 ms 364 KB n = 2, 62 is a correct answer
6 Correct 1 ms 364 KB n = 2, 3 is a correct answer
7 Correct 1 ms 364 KB n = 3, 29 is a correct answer
8 Correct 1 ms 364 KB n = 2, 3 is a correct answer
9 Correct 1 ms 364 KB n = 2, 3 is a correct answer
10 Correct 1 ms 364 KB n = 2, 2000000001 is a correct answer
11 Correct 1 ms 364 KB n = 2, 3000000000 is a correct answer
12 Correct 1 ms 364 KB n = 3, 3000000000 is a correct answer
13 Correct 0 ms 364 KB n = 3, 3000000000 is a correct answer
14 Correct 1 ms 364 KB n = 4, 3000000001 is a correct answer
15 Correct 1 ms 364 KB n = 4, 4000000000 is a correct answer
16 Correct 1 ms 364 KB n = 5, 4000000000 is a correct answer
17 Correct 1 ms 364 KB n = 10, 1000000343 is a correct answer
18 Correct 0 ms 364 KB n = 10, 3189 is a correct answer
19 Correct 1 ms 512 KB n = 10, 7000000000 is a correct answer
20 Correct 1 ms 364 KB n = 5, 12 is a correct answer
21 Correct 1 ms 364 KB n = 5, 25 is a correct answer
22 Correct 1 ms 364 KB n = 2, 122 is a correct answer
23 Correct 1 ms 364 KB n = 10, 117 is a correct answer
24 Incorrect 1 ms 364 KB n = 10, incorrect answer: jury 336 vs contestant 333
25 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 500 KB n = 4, 80 is a correct answer
2 Correct 0 ms 364 KB n = 9, 110 is a correct answer
3 Correct 0 ms 364 KB n = 4, 21 is a correct answer
4 Correct 1 ms 364 KB n = 3, 4 is a correct answer
5 Correct 1 ms 364 KB n = 2, 62 is a correct answer
6 Correct 1 ms 364 KB n = 2, 3 is a correct answer
7 Correct 1 ms 364 KB n = 3, 29 is a correct answer
8 Correct 1 ms 364 KB n = 2, 3 is a correct answer
9 Correct 1 ms 364 KB n = 2, 3 is a correct answer
10 Correct 1 ms 364 KB n = 2, 2000000001 is a correct answer
11 Correct 1 ms 364 KB n = 2, 3000000000 is a correct answer
12 Correct 1 ms 364 KB n = 3, 3000000000 is a correct answer
13 Correct 0 ms 364 KB n = 3, 3000000000 is a correct answer
14 Correct 1 ms 364 KB n = 4, 3000000001 is a correct answer
15 Correct 1 ms 364 KB n = 4, 4000000000 is a correct answer
16 Correct 1 ms 364 KB n = 5, 4000000000 is a correct answer
17 Correct 1 ms 364 KB n = 10, 1000000343 is a correct answer
18 Correct 0 ms 364 KB n = 10, 3189 is a correct answer
19 Correct 1 ms 512 KB n = 10, 7000000000 is a correct answer
20 Correct 1 ms 364 KB n = 5, 12 is a correct answer
21 Correct 1 ms 364 KB n = 5, 25 is a correct answer
22 Correct 1 ms 364 KB n = 2, 122 is a correct answer
23 Correct 1 ms 364 KB n = 10, 117 is a correct answer
24 Incorrect 1 ms 364 KB n = 10, incorrect answer: jury 336 vs contestant 333
25 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 500 KB n = 4, 80 is a correct answer
2 Correct 0 ms 364 KB n = 9, 110 is a correct answer
3 Correct 0 ms 364 KB n = 4, 21 is a correct answer
4 Correct 1 ms 364 KB n = 3, 4 is a correct answer
5 Correct 1 ms 364 KB n = 2, 62 is a correct answer
6 Correct 1 ms 364 KB n = 2, 3 is a correct answer
7 Correct 1 ms 364 KB n = 3, 29 is a correct answer
8 Correct 1 ms 364 KB n = 2, 3 is a correct answer
9 Correct 1 ms 364 KB n = 2, 3 is a correct answer
10 Correct 1 ms 364 KB n = 2, 2000000001 is a correct answer
11 Correct 1 ms 364 KB n = 2, 3000000000 is a correct answer
12 Correct 1 ms 364 KB n = 3, 3000000000 is a correct answer
13 Correct 0 ms 364 KB n = 3, 3000000000 is a correct answer
14 Correct 1 ms 364 KB n = 4, 3000000001 is a correct answer
15 Correct 1 ms 364 KB n = 4, 4000000000 is a correct answer
16 Correct 1 ms 364 KB n = 5, 4000000000 is a correct answer
17 Correct 1 ms 364 KB n = 10, 1000000343 is a correct answer
18 Correct 0 ms 364 KB n = 10, 3189 is a correct answer
19 Correct 1 ms 512 KB n = 10, 7000000000 is a correct answer
20 Correct 1 ms 364 KB n = 5, 12 is a correct answer
21 Correct 1 ms 364 KB n = 5, 25 is a correct answer
22 Correct 1 ms 364 KB n = 2, 122 is a correct answer
23 Correct 1 ms 364 KB n = 10, 117 is a correct answer
24 Incorrect 1 ms 364 KB n = 10, incorrect answer: jury 336 vs contestant 333
25 Halted 0 ms 0 KB -

Subtask #4
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 500 KB n = 4, 80 is a correct answer
2 Correct 0 ms 364 KB n = 9, 110 is a correct answer
3 Correct 0 ms 364 KB n = 4, 21 is a correct answer
4 Correct 1 ms 364 KB n = 3, 4 is a correct answer
5 Correct 1 ms 364 KB n = 2, 62 is a correct answer
6 Correct 1 ms 364 KB n = 2, 3 is a correct answer
7 Correct 1 ms 364 KB n = 3, 29 is a correct answer
8 Correct 1 ms 364 KB n = 2, 3 is a correct answer
9 Correct 1 ms 364 KB n = 2, 3 is a correct answer
10 Correct 1 ms 364 KB n = 2, 2000000001 is a correct answer
11 Correct 1 ms 364 KB n = 2, 3000000000 is a correct answer
12 Correct 1 ms 364 KB n = 3, 3000000000 is a correct answer
13 Correct 0 ms 364 KB n = 3, 3000000000 is a correct answer
14 Correct 1 ms 364 KB n = 4, 3000000001 is a correct answer
15 Correct 1 ms 364 KB n = 4, 4000000000 is a correct answer
16 Correct 1 ms 364 KB n = 5, 4000000000 is a correct answer
17 Correct 1 ms 364 KB n = 10, 1000000343 is a correct answer
18 Correct 0 ms 364 KB n = 10, 3189 is a correct answer
19 Correct 1 ms 512 KB n = 10, 7000000000 is a correct answer
20 Correct 1 ms 364 KB n = 5, 12 is a correct answer
21 Correct 1 ms 364 KB n = 5, 25 is a correct answer
22 Correct 1 ms 364 KB n = 2, 122 is a correct answer
23 Correct 1 ms 364 KB n = 10, 117 is a correct answer
24 Incorrect 1 ms 364 KB n = 10, incorrect answer: jury 336 vs contestant 333
25 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 500 KB n = 4, 80 is a correct answer
2 Correct 0 ms 364 KB n = 9, 110 is a correct answer
3 Correct 0 ms 364 KB n = 4, 21 is a correct answer
4 Correct 1 ms 364 KB n = 3, 4 is a correct answer
5 Correct 1 ms 364 KB n = 2, 62 is a correct answer
6 Correct 1 ms 364 KB n = 2, 3 is a correct answer
7 Correct 1 ms 364 KB n = 3, 29 is a correct answer
8 Correct 1 ms 364 KB n = 2, 3 is a correct answer
9 Correct 1 ms 364 KB n = 2, 3 is a correct answer
10 Correct 1 ms 364 KB n = 2, 2000000001 is a correct answer
11 Correct 1 ms 364 KB n = 2, 3000000000 is a correct answer
12 Correct 1 ms 364 KB n = 3, 3000000000 is a correct answer
13 Correct 0 ms 364 KB n = 3, 3000000000 is a correct answer
14 Correct 1 ms 364 KB n = 4, 3000000001 is a correct answer
15 Correct 1 ms 364 KB n = 4, 4000000000 is a correct answer
16 Correct 1 ms 364 KB n = 5, 4000000000 is a correct answer
17 Correct 1 ms 364 KB n = 10, 1000000343 is a correct answer
18 Correct 0 ms 364 KB n = 10, 3189 is a correct answer
19 Correct 1 ms 512 KB n = 10, 7000000000 is a correct answer
20 Correct 1 ms 364 KB n = 5, 12 is a correct answer
21 Correct 1 ms 364 KB n = 5, 25 is a correct answer
22 Correct 1 ms 364 KB n = 2, 122 is a correct answer
23 Correct 1 ms 364 KB n = 10, 117 is a correct answer
24 Incorrect 1 ms 364 KB n = 10, incorrect answer: jury 336 vs contestant 333
25 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 500 KB n = 4, 80 is a correct answer
2 Correct 0 ms 364 KB n = 9, 110 is a correct answer
3 Correct 0 ms 364 KB n = 4, 21 is a correct answer
4 Correct 1 ms 364 KB n = 3, 4 is a correct answer
5 Correct 1 ms 364 KB n = 2, 62 is a correct answer
6 Correct 1 ms 364 KB n = 2, 3 is a correct answer
7 Correct 1 ms 364 KB n = 3, 29 is a correct answer
8 Correct 1 ms 364 KB n = 2, 3 is a correct answer
9 Correct 1 ms 364 KB n = 2, 3 is a correct answer
10 Correct 1 ms 364 KB n = 2, 2000000001 is a correct answer
11 Correct 1 ms 364 KB n = 2, 3000000000 is a correct answer
12 Correct 1 ms 364 KB n = 3, 3000000000 is a correct answer
13 Correct 0 ms 364 KB n = 3, 3000000000 is a correct answer
14 Correct 1 ms 364 KB n = 4, 3000000001 is a correct answer
15 Correct 1 ms 364 KB n = 4, 4000000000 is a correct answer
16 Correct 1 ms 364 KB n = 5, 4000000000 is a correct answer
17 Correct 1 ms 364 KB n = 10, 1000000343 is a correct answer
18 Correct 0 ms 364 KB n = 10, 3189 is a correct answer
19 Correct 1 ms 512 KB n = 10, 7000000000 is a correct answer
20 Correct 1 ms 364 KB n = 5, 12 is a correct answer
21 Correct 1 ms 364 KB n = 5, 25 is a correct answer
22 Correct 1 ms 364 KB n = 2, 122 is a correct answer
23 Correct 1 ms 364 KB n = 10, 117 is a correct answer
24 Incorrect 1 ms 364 KB n = 10, incorrect answer: jury 336 vs contestant 333
25 Halted 0 ms 0 KB -

Subtask #7
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 500 KB n = 4, 80 is a correct answer
2 Correct 0 ms 364 KB n = 9, 110 is a correct answer
3 Correct 0 ms 364 KB n = 4, 21 is a correct answer
4 Correct 1 ms 364 KB n = 3, 4 is a correct answer
5 Correct 1 ms 364 KB n = 2, 62 is a correct answer
6 Correct 1 ms 364 KB n = 2, 3 is a correct answer
7 Correct 1 ms 364 KB n = 3, 29 is a correct answer
8 Correct 1 ms 364 KB n = 2, 3 is a correct answer
9 Correct 1 ms 364 KB n = 2, 3 is a correct answer
10 Correct 1 ms 364 KB n = 2, 2000000001 is a correct answer
11 Correct 1 ms 364 KB n = 2, 3000000000 is a correct answer
12 Correct 1 ms 364 KB n = 3, 3000000000 is a correct answer
13 Correct 0 ms 364 KB n = 3, 3000000000 is a correct answer
14 Correct 1 ms 364 KB n = 4, 3000000001 is a correct answer
15 Correct 1 ms 364 KB n = 4, 4000000000 is a correct answer
16 Correct 1 ms 364 KB n = 5, 4000000000 is a correct answer
17 Correct 1 ms 364 KB n = 10, 1000000343 is a correct answer
18 Correct 0 ms 364 KB n = 10, 3189 is a correct answer
19 Correct 1 ms 512 KB n = 10, 7000000000 is a correct answer
20 Correct 1 ms 364 KB n = 5, 12 is a correct answer
21 Correct 1 ms 364 KB n = 5, 25 is a correct answer
22 Correct 1 ms 364 KB n = 2, 122 is a correct answer
23 Correct 1 ms 364 KB n = 10, 117 is a correct answer
24 Incorrect 1 ms 364 KB n = 10, incorrect answer: jury 336 vs contestant 333
25 Halted 0 ms 0 KB -

Subtask #8
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 500 KB n = 4, 80 is a correct answer
2 Correct 0 ms 364 KB n = 9, 110 is a correct answer
3 Correct 0 ms 364 KB n = 4, 21 is a correct answer
4 Correct 1 ms 364 KB n = 3, 4 is a correct answer
5 Correct 1 ms 364 KB n = 2, 62 is a correct answer
6 Correct 1 ms 364 KB n = 2, 3 is a correct answer
7 Correct 1 ms 364 KB n = 3, 29 is a correct answer
8 Correct 1 ms 364 KB n = 2, 3 is a correct answer
9 Correct 1 ms 364 KB n = 2, 3 is a correct answer
10 Correct 1 ms 364 KB n = 2, 2000000001 is a correct answer
11 Correct 1 ms 364 KB n = 2, 3000000000 is a correct answer
12 Correct 1 ms 364 KB n = 3, 3000000000 is a correct answer
13 Correct 0 ms 364 KB n = 3, 3000000000 is a correct answer
14 Correct 1 ms 364 KB n = 4, 3000000001 is a correct answer
15 Correct 1 ms 364 KB n = 4, 4000000000 is a correct answer
16 Correct 1 ms 364 KB n = 5, 4000000000 is a correct answer
17 Correct 1 ms 364 KB n = 10, 1000000343 is a correct answer
18 Correct 0 ms 364 KB n = 10, 3189 is a correct answer
19 Correct 1 ms 512 KB n = 10, 7000000000 is a correct answer
20 Correct 1 ms 364 KB n = 5, 12 is a correct answer
21 Correct 1 ms 364 KB n = 5, 25 is a correct answer
22 Correct 1 ms 364 KB n = 2, 122 is a correct answer
23 Correct 1 ms 364 KB n = 10, 117 is a correct answer
24 Incorrect 1 ms 364 KB n = 10, incorrect answer: jury 336 vs contestant 333
25 Halted 0 ms 0 KB -