Submission #1062844

#	Time	Username	Problem	Language	Result	Execution time	Memory
1062844		nvujica	Shortcut (IOI16_shortcut)	C++14	23 / 100	2020 ms	604 KiB

shortcut

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

using namespace std;

const int maxn = 505;
const ll inf = (1LL << 60);

ll dpoc[maxn];

ll find_shortcut(int n, vector<int> l, vector<int> d, int c){
    for(int i = 1; i < n; i++){
        dpoc[i] = dpoc[i - 1] + l[i - 1];
    }

    ll ans = inf;

    for(int a = 0; a < n; a++){
        for(int b = a + 1; b < n; b++){
            ll maks = 0;

            for(int x = 0; x < n; x++){
                for(int y = x + 1; y < n; y++){
                    ll dxa = abs(dpoc[x] - dpoc[a]);
                    ll dxb = abs(dpoc[x] - dpoc[b]);
                    ll dya = abs(dpoc[y] - dpoc[a]);
                    ll dyb = abs(dpoc[y] - dpoc[b]);
                    ll dxy = abs(dpoc[x] - dpoc[y]);
                    dxa = min(dxa, dxb + c);
                    dxb = min(dxb, dxa + c);
                    dya = min(dya, dyb + c);
                    dyb = min(dyb, dya + c);

                    // maks = max(maks, dxy + d[x] + d[y]);
                    maks = max(maks, min(dxy, min(dxa + dya, dxb + dyb)) + d[x] + d[y]);
                    // if(maks == 110) cout << x << ' ' << y << ' ' << dxa << ' ' << dya << endl;
                }
            }

            // cout << a << ' ' << b << ' ' << maks << endl;

            ans = min(ans, maks);
        }
    }
    
    return ans;
}

• Subtask 1: 9 / 9
• Subtask 2: 14 / 14
• Subtask 3: 0 / 8
• Subtask 4: 0 / 7
• Subtask 5: 0 / 33
• Subtask 6: 0 / 22
• Subtask 7: 0 / 4
• Subtask 8: 0 / 3