Submission #289948

#	Time	Username	Problem	Language	Result	Execution time	Memory
289948		mhy908	Hamburg Steak (JOI20_hamburg)	C++14	21 / 100	3086 ms	6292 KiB

hamburg

#include <bits/stdc++.h>
#define eb emplace_back
#define mp make_pair
#define F first
#define S second
#define all(x) x.begin(), x.end()
using namespace std;
typedef long long LL;
typedef pair<int, int> pii;
const int inf=1e9;

int n, k;
pair<pii, pii> rct[200010], ans[5];
vector<int> vc;

int main(){
    srand(time(NULL));
    scanf("%d %d", &n, &k);
    for(int i=1; i<=n; i++)scanf("%d %d %d %d", &rct[i].F.F, &rct[i].F.S, &rct[i].S.F, &rct[i].S.S);
    for(int i=1; i<=n; i++)vc.eb(i);
    while(1){
        vector<int> n, y;
        for(int i=1; i<=k; i++)ans[i]=mp(mp(1, 1), mp(inf, inf));
        for(auto i:vc){
            bool flg2=false;
            for(int j=1; j<=k; j++){
                int sx=max(rct[i].F.F, ans[j].F.F);
                int sy=max(rct[i].F.S, ans[j].F.S);
                int ex=min(rct[i].S.F, ans[j].S.F);
                int ey=min(rct[i].S.S, ans[j].S.S);
                if(sx<=ex&&sy<=ey){
                    ans[j]=mp(mp(sx, sy), mp(ex, ey));
                    flg2=true;
                    break;
                }
            }
            if(!flg2)n.eb(i);
            else y.eb(i);
        }
        if(!n.size())break;
        vc.clear();
        for(auto i:n)vc.eb(i);
        for(auto i:y)vc.eb(i);
    }
    for(int i=1; i<=k; i++)printf("%d %d\n", ans[i].F.F, ans[i].F.S);
    return 0;
}

Compilation message (stderr)

hamburg.cpp: In function 'int main()':
hamburg.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   18 |     scanf("%d %d", &n, &k);
      |     ~~~~~^~~~~~~~~~~~~~~~~
hamburg.cpp:19:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   19 |     for(int i=1; i<=n; i++)scanf("%d %d %d %d", &rct[i].F.F, &rct[i].F.S, &rct[i].S.F, &rct[i].S.S);
      |                            ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 1 / 1
• Subtask 2: 1 / 1
• Subtask 3: 3 / 3
• Subtask 4: 6 / 6
• Subtask 5: 1 / 1
• Subtask 6: 3 / 3
• Subtask 7: 6 / 6
• Subtask 8: 0 / 79