oj.uz

Submission #652817

# Submission time Handle Problem Language Result Execution time Memory
652817 2022-10-24T15:55:59 Z XCAC197 Hamburg Steak (JOI20_hamburg) C++14
21 / 100
 3000 ms 24604 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define N 200100
#define K 4
#define M 10

struct rec{
    int x1,x2,y1,y2;
    friend rec operator^(const rec&x,const rec&y){
        return {max(x.x1,y.x1),min(x.x2,y.x2),max(x.y1,y.y1),min(x.y2,y.y2)};
    }
    int area(){
        if(x1>x2||y1>y2){return 0;}
        return (x2-x1+1)*(y2-y1+1);
    }
};

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int n,k;
rec arr[N],res[K];
rec arr2[N];
vector<int>srt;
int weight[N];
bool vis[N];

signed main(){
    cin>>n>>k;
    for(int a=0;a<n;++a){
        cin>>arr[a].x1>>arr[a].y1>>arr[a].x2>>arr[a].y2;
    }
    for(int a=0;a<n;++a) {
        weight[a]=1;
        for (int b = 0; b < M; ++b) {
            int r2=rng()%n;
            if((arr[a]^arr[r2]).area()==0){
                ++weight[a];
            }
        }
    }
    for(int a=0;a<n;++a){
        for(int b=0;b<weight[a];++b) {
            srt.push_back(a);
        }
    }
    while(true){
        shuffle(srt.begin(),srt.end(),rng);
        memset(vis,0,sizeof(vis));
        for(int a=0,b=0;a<srt.size()&&b<n;++a){
            if(vis[srt[a]]){
                continue;
            }
            arr2[b]=arr[srt[a]];
            vis[srt[a]]=true;
            ++b;
        }
        for(int b=0;b<k;++b){
            res[b]=arr2[b];
        }
        bool flag=false;
        //shrink res
        for(int a=k;a<n;++a){
            pair<double,int>p={0,-1};
            for(int b=0;b<k;++b){
                p=max(p,{(1.0*(res[b]^arr2[a]).area())/res[b].area(),b});
            }
            res[p.second]=res[p.second]^arr2[a];
            if(res[p.second].x1>res[p.second].x2||res[p.second].y1>res[p.second].y2){
                flag=true;
                break;
            }
        }
        if(!flag){
            for(int b=0;b<k;++b){
                cout<<res[b].x1<<" "<<res[b].y1<<endl;
            }
            break;
        }
    }
}

Compilation message

hamburg.cpp: In function 'int main()':
hamburg.cpp:50:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |         for(int a=0,b=0;a<srt.size()&&b<n;++a){
      |                         ~^~~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 724 KB Output is correct
2 Correct 5 ms 724 KB Output is correct
3 Correct 4 ms 724 KB Output is correct
4 Correct 4 ms 692 KB Output is correct

Subtask #2
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 724 KB Output is correct
2 Correct 5 ms 724 KB Output is correct
3 Correct 5 ms 724 KB Output is correct
4 Correct 5 ms 852 KB Output is correct

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 724 KB Output is correct
2 Correct 6 ms 724 KB Output is correct
3 Correct 5 ms 844 KB Output is correct
4 Correct 5 ms 724 KB Output is correct
5 Correct 5 ms 724 KB Output is correct
6 Correct 5 ms 796 KB Output is correct
7 Correct 5 ms 852 KB Output is correct
8 Correct 5 ms 848 KB Output is correct
9 Correct 7 ms 852 KB Output is correct
10 Correct 5 ms 856 KB Output is correct
11 Correct 5 ms 724 KB Output is correct
12 Correct 6 ms 724 KB Output is correct

Subtask #4
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 716 KB Output is correct
2 Correct 5 ms 720 KB Output is correct
3 Correct 7 ms 724 KB Output is correct
4 Correct 5 ms 724 KB Output is correct
5 Correct 6 ms 852 KB Output is correct
6 Correct 5 ms 720 KB Output is correct
7 Correct 9 ms 740 KB Output is correct
8 Correct 5 ms 724 KB Output is correct
9 Correct 5 ms 724 KB Output is correct
10 Correct 9 ms 724 KB Output is correct
11 Correct 5 ms 724 KB Output is correct
12 Correct 8 ms 848 KB Output is correct
13 Correct 7 ms 724 KB Output is correct
14 Correct 10 ms 848 KB Output is correct
15 Correct 8 ms 720 KB Output is correct
16 Correct 5 ms 720 KB Output is correct
17 Correct 7 ms 852 KB Output is correct
18 Correct 6 ms 796 KB Output is correct
19 Correct 6 ms 848 KB Output is correct
20 Correct 5 ms 848 KB Output is correct
21 Correct 6 ms 852 KB Output is correct
22 Correct 7 ms 796 KB Output is correct
23 Correct 5 ms 852 KB Output is correct
24 Correct 8 ms 852 KB Output is correct
25 Correct 7 ms 848 KB Output is correct
26 Correct 15 ms 844 KB Output is correct
27 Correct 5 ms 724 KB Output is correct
28 Correct 11 ms 724 KB Output is correct
29 Correct 7 ms 800 KB Output is correct
30 Correct 7 ms 724 KB Output is correct
31 Correct 8 ms 796 KB Output is correct
32 Correct 5 ms 800 KB Output is correct
33 Correct 6 ms 724 KB Output is correct
34 Correct 7 ms 800 KB Output is correct
35 Correct 5 ms 852 KB Output is correct
36 Correct 5 ms 724 KB Output is correct
37 Correct 10 ms 868 KB Output is correct
38 Correct 7 ms 856 KB Output is correct
39 Correct 6 ms 836 KB Output is correct
40 Correct 6 ms 724 KB Output is correct
41 Correct 5 ms 804 KB Output is correct
42 Correct 8 ms 724 KB Output is correct
43 Correct 5 ms 792 KB Output is correct
44 Correct 7 ms 724 KB Output is correct
45 Correct 7 ms 852 KB Output is correct
46 Correct 6 ms 724 KB Output is correct
47 Correct 12 ms 724 KB Output is correct
48 Correct 6 ms 792 KB Output is correct
49 Correct 5 ms 852 KB Output is correct
50 Correct 7 ms 720 KB Output is correct
51 Correct 12 ms 852 KB Output is correct
52 Correct 6 ms 724 KB Output is correct
53 Correct 6 ms 724 KB Output is correct
54 Correct 8 ms 852 KB Output is correct
55 Correct 7 ms 852 KB Output is correct
56 Correct 8 ms 852 KB Output is correct
57 Correct 6 ms 852 KB Output is correct
58 Correct 8 ms 852 KB Output is correct

Subtask #5
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 724 KB Output is correct
2 Correct 5 ms 724 KB Output is correct
3 Correct 4 ms 724 KB Output is correct
4 Correct 4 ms 692 KB Output is correct
5 Correct 398 ms 17036 KB Output is correct
6 Correct 404 ms 17028 KB Output is correct
7 Correct 401 ms 16888 KB Output is correct
8 Correct 373 ms 16884 KB Output is correct

Subtask #6
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 724 KB Output is correct
2 Correct 5 ms 724 KB Output is correct
3 Correct 5 ms 724 KB Output is correct
4 Correct 5 ms 852 KB Output is correct
5 Correct 466 ms 19876 KB Output is correct
6 Correct 427 ms 17564 KB Output is correct
7 Correct 455 ms 19160 KB Output is correct
8 Correct 468 ms 21028 KB Output is correct

Subtask #7
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 724 KB Output is correct
2 Correct 6 ms 724 KB Output is correct
3 Correct 5 ms 844 KB Output is correct
4 Correct 5 ms 724 KB Output is correct
5 Correct 5 ms 724 KB Output is correct
6 Correct 5 ms 796 KB Output is correct
7 Correct 5 ms 852 KB Output is correct
8 Correct 5 ms 848 KB Output is correct
9 Correct 7 ms 852 KB Output is correct
10 Correct 5 ms 856 KB Output is correct
11 Correct 5 ms 724 KB Output is correct
12 Correct 6 ms 724 KB Output is correct
13 Correct 482 ms 18896 KB Output is correct
14 Correct 439 ms 18816 KB Output is correct
15 Correct 430 ms 18128 KB Output is correct
16 Correct 391 ms 17460 KB Output is correct
17 Correct 528 ms 19284 KB Output is correct
18 Correct 466 ms 17292 KB Output is correct
19 Correct 495 ms 20204 KB Output is correct
20 Correct 505 ms 20192 KB Output is correct
21 Correct 498 ms 20716 KB Output is correct
22 Correct 454 ms 18676 KB Output is correct
23 Correct 912 ms 19760 KB Output is correct
24 Correct 464 ms 20028 KB Output is correct

Subtask #8
0 / 79.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 716 KB Output is correct
2 Correct 5 ms 720 KB Output is correct
3 Correct 7 ms 724 KB Output is correct
4 Correct 5 ms 724 KB Output is correct
5 Correct 6 ms 852 KB Output is correct
6 Correct 5 ms 720 KB Output is correct
7 Correct 9 ms 740 KB Output is correct
8 Correct 5 ms 724 KB Output is correct
9 Correct 5 ms 724 KB Output is correct
10 Correct 9 ms 724 KB Output is correct
11 Correct 5 ms 724 KB Output is correct
12 Correct 8 ms 848 KB Output is correct
13 Correct 7 ms 724 KB Output is correct
14 Correct 10 ms 848 KB Output is correct
15 Correct 8 ms 720 KB Output is correct
16 Correct 5 ms 720 KB Output is correct
17 Correct 7 ms 852 KB Output is correct
18 Correct 6 ms 796 KB Output is correct
19 Correct 6 ms 848 KB Output is correct
20 Correct 5 ms 848 KB Output is correct
21 Correct 6 ms 852 KB Output is correct
22 Correct 7 ms 796 KB Output is correct
23 Correct 5 ms 852 KB Output is correct
24 Correct 8 ms 852 KB Output is correct
25 Correct 7 ms 848 KB Output is correct
26 Correct 15 ms 844 KB Output is correct
27 Correct 5 ms 724 KB Output is correct
28 Correct 11 ms 724 KB Output is correct
29 Correct 7 ms 800 KB Output is correct
30 Correct 7 ms 724 KB Output is correct
31 Correct 8 ms 796 KB Output is correct
32 Correct 5 ms 800 KB Output is correct
33 Correct 6 ms 724 KB Output is correct
34 Correct 7 ms 800 KB Output is correct
35 Correct 5 ms 852 KB Output is correct
36 Correct 5 ms 724 KB Output is correct
37 Correct 10 ms 868 KB Output is correct
38 Correct 7 ms 856 KB Output is correct
39 Correct 6 ms 836 KB Output is correct
40 Correct 6 ms 724 KB Output is correct
41 Correct 5 ms 804 KB Output is correct
42 Correct 8 ms 724 KB Output is correct
43 Correct 5 ms 792 KB Output is correct
44 Correct 7 ms 724 KB Output is correct
45 Correct 7 ms 852 KB Output is correct
46 Correct 6 ms 724 KB Output is correct
47 Correct 12 ms 724 KB Output is correct
48 Correct 6 ms 792 KB Output is correct
49 Correct 5 ms 852 KB Output is correct
50 Correct 7 ms 720 KB Output is correct
51 Correct 12 ms 852 KB Output is correct
52 Correct 6 ms 724 KB Output is correct
53 Correct 6 ms 724 KB Output is correct
54 Correct 8 ms 852 KB Output is correct
55 Correct 7 ms 852 KB Output is correct
56 Correct 8 ms 852 KB Output is correct
57 Correct 6 ms 852 KB Output is correct
58 Correct 8 ms 852 KB Output is correct
59 Correct 754 ms 19500 KB Output is correct
60 Correct 438 ms 18576 KB Output is correct
61 Correct 609 ms 18676 KB Output is correct
62 Correct 477 ms 18044 KB Output is correct
63 Correct 490 ms 18400 KB Output is correct
64 Correct 450 ms 16652 KB Output is correct
65 Correct 412 ms 19032 KB Output is correct
66 Correct 1222 ms 18256 KB Output is correct
67 Correct 700 ms 20336 KB Output is correct
68 Correct 1187 ms 19344 KB Output is correct
69 Correct 514 ms 19940 KB Output is correct
70 Correct 540 ms 19816 KB Output is correct
71 Correct 1978 ms 21184 KB Output is correct
72 Correct 836 ms 19520 KB Output is correct
73 Correct 911 ms 19916 KB Output is correct
74 Correct 667 ms 20668 KB Output is correct
75 Correct 436 ms 17928 KB Output is correct
76 Correct 719 ms 19652 KB Output is correct
77 Correct 587 ms 19576 KB Output is correct
78 Correct 462 ms 19972 KB Output is correct
79 Correct 633 ms 19756 KB Output is correct
80 Correct 468 ms 19388 KB Output is correct
81 Correct 555 ms 19500 KB Output is correct
82 Correct 859 ms 19108 KB Output is correct
83 Correct 451 ms 19208 KB Output is correct
84 Correct 444 ms 18656 KB Output is correct
85 Correct 727 ms 20908 KB Output is correct
86 Correct 688 ms 18636 KB Output is correct
87 Correct 592 ms 20872 KB Output is correct
88 Correct 625 ms 20644 KB Output is correct
89 Correct 730 ms 18728 KB Output is correct
90 Correct 742 ms 20004 KB Output is correct
91 Correct 510 ms 18864 KB Output is correct
92 Correct 1248 ms 20912 KB Output is correct
93 Correct 707 ms 19752 KB Output is correct
94 Correct 1708 ms 19860 KB Output is correct
95 Correct 614 ms 20136 KB Output is correct
96 Correct 2100 ms 19320 KB Output is correct
97 Correct 536 ms 19604 KB Output is correct
98 Correct 536 ms 20132 KB Output is correct
99 Correct 430 ms 18544 KB Output is correct
100 Correct 692 ms 19692 KB Output is correct
101 Correct 498 ms 19396 KB Output is correct
102 Correct 1466 ms 18032 KB Output is correct
103 Correct 463 ms 20860 KB Output is correct
104 Correct 1307 ms 18520 KB Output is correct
105 Correct 1510 ms 20360 KB Output is correct
106 Correct 678 ms 19916 KB Output is correct
107 Correct 539 ms 19028 KB Output is correct
108 Correct 536 ms 19740 KB Output is correct
109 Correct 570 ms 19948 KB Output is correct
110 Correct 985 ms 19396 KB Output is correct
111 Correct 1218 ms 20228 KB Output is correct
112 Correct 1646 ms 20468 KB Output is correct
113 Correct 591 ms 21684 KB Output is correct
114 Correct 443 ms 21628 KB Output is correct
115 Correct 539 ms 21688 KB Output is correct
116 Correct 616 ms 21756 KB Output is correct
117 Execution timed out 3072 ms 24604 KB Time limit exceeded
118 Halted 0 ms 0 KB -