Submission #527892

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
527892	2022-02-18 16:27:27	AdamGS	Soccer (JOI17_soccer)	C++17	100 / 100	767 ms	39192 KiB

soccer

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
const int LIM=507, MAXN=1e5+7;
const ll INF=1e18+7;
int dx[]={1, 0, -1, 0}, dy[]={0, 1, 0, -1};
ll wart[LIM][LIM], odl[LIM][LIM][5], h, w, a, b, c, n;
pair<int,int>T[MAXN];
bool ok(int a, int b) {
    return 0<=a && a<h && 0<=b && b<w;
}
void BFS() {
    rep(i, h) rep(j, w) wart[i][j]=INF;
    queue<pair<int,int>>q;
    rep(i, n) {
        wart[T[i].st][T[i].nd]=0;
        q.push({T[i].st, T[i].nd});
    }
    while(!q.empty()) {
        int x=q.front().st, y=q.front().nd; q.pop();
        rep(i, 4) if(ok(x+dx[i], y+dy[i]) && wart[x+dx[i]][y+dy[i]]==INF) {
            wart[x+dx[i]][y+dy[i]]=wart[x][y]+c;
            q.push({x+dx[i], y+dy[i]});
        }
    }
}
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 30 / 30
• Subtask 3: 65 / 65