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Submission #686901

# Submission time Handle Problem Language Result Execution time Memory
686901 2023-01-26T03:44:53 Z JooDdae Soccer (JOI17_soccer) C++17
35 / 100
 259 ms 12776 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

const ll INF = 1e18;
const int dx[4] = {-1, 1, 0, 0}, dy[4] = {0, 0, -1, 1};

int n, m, k, x[100100], y[100100], X[505], Y[505];
ll A, B, C, D[505][505], d[505][505][2];

vector<int> vx[505], vy[505];

queue<array<int, 3>> q;
priority_queue<tuple<ll, int, int, int>> pq;

int main(){
    cin.tie(0)->sync_with_stdio(0);
    cin >> n >> m >> A >> B >> C >> k;
    for(int i=1;i<=k;i++) cin >> x[i] >> y[i];

    for(int i=0;i<=n;i++) for(int j=0;j<=m;j++) {
        D[i][j] = d[i][j][0] = d[i][j][1] = INF;
    }

    for(int i=1;i<k;i++) D[x[i]][y[i]] = 0, q.push({0, x[i], y[i]});
    while(!q.empty()) {
        auto [c, x, y] = q.front(); q.pop();
        for(int i=0;i<4;i++) {
            int xx = x+dx[i], yy = y+dy[i];
            if(xx < 0 || yy < 0 || xx > n || yy > m || D[xx][yy] <= c+1) continue;
            D[xx][yy] = c+1, q.push({c+1, xx, yy});
        }
    }

    for(int i=1;i<k;i++) {
        vx[x[i]].push_back(y[i]);
        vy[y[i]].push_back(x[i]);
    }

    memset(X, -1, sizeof X), memset(Y, -1, sizeof Y);
    d[x[1]][y[1]][0] = 0, pq.push({0, x[1], y[1], 0});
    while(!pq.empty()) {
        auto [c, x, y, f] = pq.top(); pq.pop();
        if(d[x][y][f] < -c) continue;

        // cout << -c << ' ' << x << ' ' << y << " " << f << endl;

        if(f) {
            if(X[x] < 0) {
                X[x] = y;
                for(auto y : vx[x]) {
                    ll C = abs(y-X[x])*A+B-c;
                    if(C < d[x][y][0]) d[x][y][0] = C, pq.push({-C, x, y, 0});
                }
            }
            if(Y[y] < 0) {
                Y[y] = x;
                for(auto x : vy[y]) {
                    ll C = abs(x-Y[y])*A+B-c;
                    if(C < d[x][y][0]) d[x][y][0] = C, pq.push({-C, x, y, 0});
                }
            }
        }

        for(int i=0;i<4;i++) {
            int xx = x+dx[i], yy = y+dy[i];
            if(X[xx] < 0 && Y[yy] < 0) continue;
            ll C = min(X[xx] >= 0 ? d[xx][X[xx]][1] + abs(yy-X[xx])*A+B : INF, Y[yy] >= 0 ? d[Y[yy]][yy][1] + abs(xx-Y[yy])*A+B : INF);
            if(xx < 0 || yy < 0 || xx > n || yy > m || d[xx][yy][0] <= C) continue;
            d[xx][yy][0] = C, pq.push({-C, xx, yy, 0});
        }

        if(!f) {
            if(d[x][y][1] > D[x][y]*C-c) d[x][y][1] = D[x][y]*C-c, pq.push({c-D[x][y]*C, x, y, 1});
            continue;
        }

        if(d[x][y][0] > -c) d[x][y][0] = -c, pq.push({c, x, y, 0});
        for(int i=0;i<4;i++) {
            int xx = x+dx[i], yy = y+dy[i];
            if(xx < 0 || yy < 0 || xx > n || yy > m || d[xx][yy][1] <= C-c) continue;
            d[xx][yy][1] = C-c, pq.push({c-C, xx, yy, 1});
        }
    }

    cout << min(d[x[k]][y[k]][0], d[x[k]][y[k]][1]);
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 5324 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 170 ms 12520 KB Output is correct
4 Correct 152 ms 12564 KB Output is correct
5 Correct 59 ms 4568 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 195 ms 12596 KB Output is correct
2 Correct 248 ms 12572 KB Output is correct
3 Correct 145 ms 11332 KB Output is correct
4 Correct 113 ms 12564 KB Output is correct
5 Correct 154 ms 12636 KB Output is correct
6 Correct 130 ms 12560 KB Output is correct
7 Correct 208 ms 12776 KB Output is correct
8 Correct 197 ms 12616 KB Output is correct
9 Correct 204 ms 12764 KB Output is correct
10 Correct 33 ms 6780 KB Output is correct
11 Correct 259 ms 12752 KB Output is correct
12 Correct 224 ms 12600 KB Output is correct
13 Correct 130 ms 11456 KB Output is correct
14 Correct 212 ms 12700 KB Output is correct
15 Correct 218 ms 12720 KB Output is correct

Subtask #3
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 5324 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 170 ms 12520 KB Output is correct
4 Correct 152 ms 12564 KB Output is correct
5 Correct 59 ms 4568 KB Output is correct
6 Correct 195 ms 12596 KB Output is correct
7 Correct 248 ms 12572 KB Output is correct
8 Correct 145 ms 11332 KB Output is correct
9 Correct 113 ms 12564 KB Output is correct
10 Correct 154 ms 12636 KB Output is correct
11 Correct 130 ms 12560 KB Output is correct
12 Correct 208 ms 12776 KB Output is correct
13 Correct 197 ms 12616 KB Output is correct
14 Correct 204 ms 12764 KB Output is correct
15 Correct 33 ms 6780 KB Output is correct
16 Correct 259 ms 12752 KB Output is correct
17 Correct 224 ms 12600 KB Output is correct
18 Correct 130 ms 11456 KB Output is correct
19 Correct 212 ms 12700 KB Output is correct
20 Correct 218 ms 12720 KB Output is correct
21 Correct 56 ms 5552 KB Output is correct
22 Incorrect 204 ms 12624 KB Output isn't correct
23 Halted 0 ms 0 KB -