oj.uz

Submission #212715

# Submission time Handle Problem Language Result Execution time Memory
212715 2020-03-24T07:29:40 Z username Hamburg Steak (JOI20_hamburg) C++14
6 / 100
 3000 ms 3600 KB 
#include<bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;
#define REP(i,j,k) for(int i=j;i<k;++i)
#define pb push_back
#define f first
#define s second
#define endl '\n'
#define IOS cin.tie(0),cout.tie(0),ios_base::sync_with_stdio(false)

struct nd{
	int l,d,r,u;
};

const int maxn=2e5+9;
int n,p;
nd a[maxn];
pii res[5];
bitset<maxn>vis;
mt19937 rd(time(0));

nd merge(nd x,nd y){
	return nd{max(x.l,y.l),max(x.d,y.d),min(x.r,y.r),min(x.u,y.u)};
}

main(){
	IOS;
	cin>>n>>p;
	REP(i,0,n)cin>>a[i].l>>a[i].d>>a[i].r>>a[i].u;
	while(1){
		shuffle(a,a+n,rd);
		vis.reset();
		int c=0;
		REP(k,0,p){
			nd un=nd{1,1,1000000000,1000000000};
			REP(i,0,n){
				if(vis[i])continue;
				nd tt=merge(un,a[i]);
				if(tt.d<=tt.u&&tt.l<=tt.r){
					++c;
					vis[i]=1;
					un=tt;
				}
			}
			res[k]={un.l,un.d};
		}
		if(c==n){
			REP(i,0,p)cout<<res[i].f<<" "<<res[i].s<<endl;
			return 0;
		}
	}
}

Compilation message

hamburg.cpp:26:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   26 | main(){
      |      ^

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 440 KB Output is correct

Subtask #2
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 10 ms 456 KB Output is correct
4 Correct 3 ms 384 KB Output is correct

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 91 ms 384 KB Output is correct
9 Correct 15 ms 384 KB Output is correct
10 Correct 42 ms 384 KB Output is correct
11 Correct 18 ms 452 KB Output is correct
12 Correct 20 ms 384 KB Output is correct

Subtask #4
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 8 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 38 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 91 ms 448 KB Output is correct
8 Correct 32 ms 384 KB Output is correct
9 Correct 192 ms 448 KB Output is correct
10 Correct 364 ms 384 KB Output is correct
11 Correct 114 ms 452 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 860 ms 444 KB Output is correct
14 Correct 559 ms 452 KB Output is correct
15 Correct 127 ms 448 KB Output is correct
16 Correct 659 ms 448 KB Output is correct
17 Correct 223 ms 456 KB Output is correct
18 Correct 94 ms 452 KB Output is correct
19 Correct 45 ms 444 KB Output is correct
20 Execution timed out 3081 ms 384 KB Time limit exceeded
21 Halted 0 ms 0 KB -

Subtask #5
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 440 KB Output is correct
5 Correct 100 ms 3448 KB Output is correct
6 Correct 136 ms 3448 KB Output is correct
7 Correct 120 ms 3448 KB Output is correct
8 Correct 98 ms 3600 KB Output is correct

Subtask #6
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 10 ms 456 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 1648 ms 3448 KB Output is correct
6 Execution timed out 3065 ms 3448 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #7
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 91 ms 384 KB Output is correct
9 Correct 15 ms 384 KB Output is correct
10 Correct 42 ms 384 KB Output is correct
11 Correct 18 ms 452 KB Output is correct
12 Correct 20 ms 384 KB Output is correct
13 Correct 783 ms 3548 KB Output is correct
14 Correct 1962 ms 3452 KB Output is correct
15 Execution timed out 3058 ms 3484 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #8
0 / 79.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 8 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 38 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 91 ms 448 KB Output is correct
8 Correct 32 ms 384 KB Output is correct
9 Correct 192 ms 448 KB Output is correct
10 Correct 364 ms 384 KB Output is correct
11 Correct 114 ms 452 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 860 ms 444 KB Output is correct
14 Correct 559 ms 452 KB Output is correct
15 Correct 127 ms 448 KB Output is correct
16 Correct 659 ms 448 KB Output is correct
17 Correct 223 ms 456 KB Output is correct
18 Correct 94 ms 452 KB Output is correct
19 Correct 45 ms 444 KB Output is correct
20 Execution timed out 3081 ms 384 KB Time limit exceeded
21 Halted 0 ms 0 KB -