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Submission #1020547

# Submission time Handle Problem Language Result Execution time Memory
1020547 2024-07-12T06:53:23 Z vjudge1 Shortcut (IOI16_shortcut) C++17
0 / 100
 1 ms 440 KB 
#include <bits/stdc++.h>
#define ent '\n'

typedef long long ll;
using namespace std;
const int maxn = 2e5+12;

ll pref[maxn];
int n;

long long find_shortcut(int N, vector <int> l, vector <int> d, int c){
    n = N;
    for(int i=1;i<n;i++){
        pref[i] = pref[i-1] + l[i-1];
    }
    ll ans = 1e18;
    for(int x=0;x<n;x++){
        for(int y=x+1;y<n;y++){
            ll val = *max_element(d.begin(), d.end()), mn = 1e18;
            ll mxl = 0, mxr = 0;
            for(int i=0;i<=x;i++) {
                mxl = max(mxl, pref[x] - pref[i] + d[i]);
                val = min(val, pref[i] + d[i] + mn);
                mn = min(mn, d[i] - pref[i]);
            }
            mn = 1e18;
            for(int i=y;i<n;i++){
                val = min(val, pref[i] + d[i] + mn);
                mn = min(mn, d[i] - pref[i]);
                mxr = max(mxr, pref[i] - pref[y] + d[i]);
            }
            val = max(val, mxl + mxr + min(pref[y] - pref[x], (ll)c));
            for(int i=x;i<=y;i++){
                val = max(val, mxl + min(pref[i] - pref[x], pref[y] - pref[i] + c) + d[i]);
                val = max(val, mxr + min(pref[y] - pref[i], pref[i] - pref[x] + c) + d[i]);
                for(int j=i+1;j<=y;j++){
                    val = max(val, min(pref[j] - pref[i], pref[i] - pref[x] + pref[y] - pref[j] + c) + d[i] + d[j]);
                }
            }
            ans = min(ans, val);
        }
    }
    return ans;
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB n = 4, 80 is a correct answer
2 Correct 0 ms 348 KB n = 9, 110 is a correct answer
3 Correct 1 ms 348 KB n = 4, 21 is a correct answer
4 Correct 0 ms 348 KB n = 3, 4 is a correct answer
5 Incorrect 1 ms 440 KB n = 2, incorrect answer: jury 62 vs contestant 72
6 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB n = 4, 80 is a correct answer
2 Correct 0 ms 348 KB n = 9, 110 is a correct answer
3 Correct 1 ms 348 KB n = 4, 21 is a correct answer
4 Correct 0 ms 348 KB n = 3, 4 is a correct answer
5 Incorrect 1 ms 440 KB n = 2, incorrect answer: jury 62 vs contestant 72
6 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB n = 4, 80 is a correct answer
2 Correct 0 ms 348 KB n = 9, 110 is a correct answer
3 Correct 1 ms 348 KB n = 4, 21 is a correct answer
4 Correct 0 ms 348 KB n = 3, 4 is a correct answer
5 Incorrect 1 ms 440 KB n = 2, incorrect answer: jury 62 vs contestant 72
6 Halted 0 ms 0 KB -

Subtask #4
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB n = 4, 80 is a correct answer
2 Correct 0 ms 348 KB n = 9, 110 is a correct answer
3 Correct 1 ms 348 KB n = 4, 21 is a correct answer
4 Correct 0 ms 348 KB n = 3, 4 is a correct answer
5 Incorrect 1 ms 440 KB n = 2, incorrect answer: jury 62 vs contestant 72
6 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB n = 4, 80 is a correct answer
2 Correct 0 ms 348 KB n = 9, 110 is a correct answer
3 Correct 1 ms 348 KB n = 4, 21 is a correct answer
4 Correct 0 ms 348 KB n = 3, 4 is a correct answer
5 Incorrect 1 ms 440 KB n = 2, incorrect answer: jury 62 vs contestant 72
6 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB n = 4, 80 is a correct answer
2 Correct 0 ms 348 KB n = 9, 110 is a correct answer
3 Correct 1 ms 348 KB n = 4, 21 is a correct answer
4 Correct 0 ms 348 KB n = 3, 4 is a correct answer
5 Incorrect 1 ms 440 KB n = 2, incorrect answer: jury 62 vs contestant 72
6 Halted 0 ms 0 KB -

Subtask #7
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB n = 4, 80 is a correct answer
2 Correct 0 ms 348 KB n = 9, 110 is a correct answer
3 Correct 1 ms 348 KB n = 4, 21 is a correct answer
4 Correct 0 ms 348 KB n = 3, 4 is a correct answer
5 Incorrect 1 ms 440 KB n = 2, incorrect answer: jury 62 vs contestant 72
6 Halted 0 ms 0 KB -

Subtask #8
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB n = 4, 80 is a correct answer
2 Correct 0 ms 348 KB n = 9, 110 is a correct answer
3 Correct 1 ms 348 KB n = 4, 21 is a correct answer
4 Correct 0 ms 348 KB n = 3, 4 is a correct answer
5 Incorrect 1 ms 440 KB n = 2, incorrect answer: jury 62 vs contestant 72
6 Halted 0 ms 0 KB -