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Submission #496120

# Submission time Handle Problem Language Result Execution time Memory
496120 2021-12-20T18:04:47 Z Jarif_Rahman Coin Collecting (JOI19_ho_t4) C++17
0 / 100
 1 ms 256 KB 
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n; cin >> n;
    vector<vector<int>> v(2, vector<int>(n, 0));
    ll ans = 0;

    for(int i = 0; i < 2*n; i++){
        ll x, y; cin >> x >> y;
        if(x > n) ans+=x-n, x = n;
        if(x < 1) ans+=-x+1, x = 1;
        if(y > 2) ans+=y-2, y = 2;
        if(y < 1) ans+=-y+1, y = 1;
        x--, y--;
        v[y][x]++;
    }

    //cerr << ans << " d\n";
    //for(int x: v[0]) cerr << x << " "; cerr << "d\n";
    //for(int x: v[1]) cerr << x << " "; cerr << "d\n";

    for(int i = 0; i < n; i++){
        for(int k = 0; k < 2; k++){
            if(v[k][i] > 0) continue;
            //cerr << k << " " << i << " ---\n";
            pair<int, int> p; int mn = 1e9;
            for(int kk = 0; kk < 2; kk++) for(int j = n-1; j >= 0; j--){
                if(v[kk][j] <= 1) continue;
                if(abs(k-kk)+abs(i-j) < mn) mn = abs(k-kk)+abs(i-j), p = {kk, j};
                if(abs(k-kk)+abs(i-j) == mn && kk != k) mn = abs(k-kk)+abs(i-j), p = {kk, j};
            }
            //cerr << p.f << " " << p.sc << " d\n";
            v[p.f][p.sc]--;
            v[k][i]++;
            ans+=abs(k-p.f)+abs(i-p.sc);
        }
        if(i != n-1){
            v[0][i+1]+=v[0][i]-1, ans+=v[0][i]-1, v[0][i] = 1;
            v[1][i+1]+=v[1][i]-1, ans+=v[1][i]-1, v[1][i] = 1;
        }
    }

    cout << ans << "\n";
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Incorrect 0 ms 204 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #2
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Incorrect 0 ms 204 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #3
0 / 63.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Incorrect 0 ms 204 KB Output isn't correct
10 Halted 0 ms 0 KB -