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Submission #253819

# Submission time Handle Problem Language Result Execution time Memory
253819 2020-07-28T18:35:49 Z TadijaSebez Hamburg Steak (JOI20_hamburg) C++11
21 / 100
 3000 ms 6368 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
const int N=200050;
const int lim=1e9;
array<int,4> rec[N],ans[4];
array<int,4> sec(array<int,4> a,array<int,4> b){
	return {max(a[0],b[0]),max(a[1],b[1]),min(a[2],b[2]),min(a[3],b[3])};
}
bool is_valid(array<int,4> x){
	return x[0]<=x[2]&&x[1]<=x[3];
}
int main(){
	int n,k;
	scanf("%i %i",&n,&k);
	vector<int> ids;
	for(int i=1;i<=n;i++){
		scanf("%i %i %i %i",&rec[i][0],&rec[i][1],&rec[i][2],&rec[i][3]);
		ids.pb(i);
	}
	mt19937 rng(time(0));
	shuffle(ids.begin(),ids.end(),rng);
	while(1){
		vector<int> v[2];
		for(int i=0;i<k;i++)ans[i]={1,1,lim,lim};
		for(int i:ids){
			bool ok=0;
			for(int j=0;j<k;j++){
				if(is_valid(sec(ans[j],rec[i]))){
					ans[j]=sec(ans[j],rec[i]);
					ok=1;v[0].pb(i);
					break;
				}
			}
			if(!ok)v[1].pb(i);
		}
		if(v[1].empty()){
			for(int i=0;i<k;i++)printf("%i %i\n",ans[i][0],ans[i][1]);
			return 0;
		}
		ids=v[1];
		shuffle(ids.begin(),ids.end(),rng);
		for(int i:v[0])ids.pb(i);
	}
	return 0;
}

Compilation message

hamburg.cpp: In function 'int main()':
hamburg.cpp:15:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   15 |  scanf("%i %i",&n,&k);
      |  ~~~~~^~~~~~~~~~~~~~~
hamburg.cpp:18:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   18 |   scanf("%i %i %i %i",&rec[i][0],&rec[i][1],&rec[i][2],&rec[i][3]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 3 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 384 KB Output is correct

Subtask #2
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 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 416 KB Output is correct
12 Correct 2 ms 384 KB Output is correct

Subtask #4
6.0 / 6.0

# 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 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 6 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 3 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 2 ms 384 KB Output is correct
29 Correct 2 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 3 ms 384 KB Output is correct
35 Correct 3 ms 384 KB Output is correct
36 Correct 2 ms 384 KB Output is correct
37 Correct 3 ms 384 KB Output is correct
38 Correct 2 ms 384 KB Output is correct
39 Correct 2 ms 384 KB Output is correct
40 Correct 2 ms 384 KB Output is correct
41 Correct 2 ms 384 KB Output is correct
42 Correct 2 ms 384 KB Output is correct
43 Correct 2 ms 384 KB Output is correct
44 Correct 2 ms 384 KB Output is correct
45 Correct 2 ms 384 KB Output is correct
46 Correct 2 ms 384 KB Output is correct
47 Correct 2 ms 384 KB Output is correct
48 Correct 2 ms 384 KB Output is correct
49 Correct 2 ms 384 KB Output is correct
50 Correct 2 ms 384 KB Output is correct
51 Correct 3 ms 384 KB Output is correct
52 Correct 3 ms 384 KB Output is correct
53 Correct 2 ms 384 KB Output is correct
54 Correct 2 ms 384 KB Output is correct
55 Correct 3 ms 384 KB Output is correct
56 Correct 3 ms 384 KB Output is correct
57 Correct 2 ms 384 KB Output is correct
58 Correct 2 ms 384 KB Output is correct

Subtask #5
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 3 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 384 KB Output is correct
5 Correct 167 ms 5780 KB Output is correct
6 Correct 223 ms 5796 KB Output is correct
7 Correct 159 ms 5740 KB Output is correct
8 Correct 150 ms 5740 KB Output is correct

Subtask #6
3.0 / 3.0

# 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 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 158 ms 6092 KB Output is correct
6 Correct 166 ms 6100 KB Output is correct
7 Correct 165 ms 6076 KB Output is correct
8 Correct 161 ms 6032 KB Output is correct

Subtask #7
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 416 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 163 ms 5996 KB Output is correct
14 Correct 167 ms 6080 KB Output is correct
15 Correct 165 ms 6004 KB Output is correct
16 Correct 164 ms 6092 KB Output is correct
17 Correct 171 ms 6032 KB Output is correct
18 Correct 155 ms 6072 KB Output is correct
19 Correct 164 ms 6020 KB Output is correct
20 Correct 186 ms 6028 KB Output is correct
21 Correct 184 ms 6132 KB Output is correct
22 Correct 177 ms 6020 KB Output is correct
23 Correct 177 ms 6028 KB Output is correct
24 Correct 166 ms 6180 KB Output is correct

Subtask #8
0 / 79.0

# 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 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 6 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 3 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 2 ms 384 KB Output is correct
29 Correct 2 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 3 ms 384 KB Output is correct
35 Correct 3 ms 384 KB Output is correct
36 Correct 2 ms 384 KB Output is correct
37 Correct 3 ms 384 KB Output is correct
38 Correct 2 ms 384 KB Output is correct
39 Correct 2 ms 384 KB Output is correct
40 Correct 2 ms 384 KB Output is correct
41 Correct 2 ms 384 KB Output is correct
42 Correct 2 ms 384 KB Output is correct
43 Correct 2 ms 384 KB Output is correct
44 Correct 2 ms 384 KB Output is correct
45 Correct 2 ms 384 KB Output is correct
46 Correct 2 ms 384 KB Output is correct
47 Correct 2 ms 384 KB Output is correct
48 Correct 2 ms 384 KB Output is correct
49 Correct 2 ms 384 KB Output is correct
50 Correct 2 ms 384 KB Output is correct
51 Correct 3 ms 384 KB Output is correct
52 Correct 3 ms 384 KB Output is correct
53 Correct 2 ms 384 KB Output is correct
54 Correct 2 ms 384 KB Output is correct
55 Correct 3 ms 384 KB Output is correct
56 Correct 3 ms 384 KB Output is correct
57 Correct 2 ms 384 KB Output is correct
58 Correct 2 ms 384 KB Output is correct
59 Correct 158 ms 6104 KB Output is correct
60 Correct 172 ms 6116 KB Output is correct
61 Correct 183 ms 6052 KB Output is correct
62 Correct 173 ms 5988 KB Output is correct
63 Correct 181 ms 6092 KB Output is correct
64 Correct 161 ms 6368 KB Output is correct
65 Correct 191 ms 6012 KB Output is correct
66 Correct 188 ms 6100 KB Output is correct
67 Correct 195 ms 6120 KB Output is correct
68 Correct 196 ms 6040 KB Output is correct
69 Correct 171 ms 6064 KB Output is correct
70 Correct 198 ms 6124 KB Output is correct
71 Correct 166 ms 6088 KB Output is correct
72 Correct 181 ms 6076 KB Output is correct
73 Correct 182 ms 6060 KB Output is correct
74 Correct 217 ms 6080 KB Output is correct
75 Correct 177 ms 6060 KB Output is correct
76 Correct 174 ms 6176 KB Output is correct
77 Correct 175 ms 6120 KB Output is correct
78 Correct 185 ms 6088 KB Output is correct
79 Correct 192 ms 6060 KB Output is correct
80 Correct 220 ms 6164 KB Output is correct
81 Correct 251 ms 6072 KB Output is correct
82 Correct 166 ms 5996 KB Output is correct
83 Correct 169 ms 6048 KB Output is correct
84 Correct 161 ms 6176 KB Output is correct
85 Correct 181 ms 6112 KB Output is correct
86 Correct 203 ms 6332 KB Output is correct
87 Correct 187 ms 6072 KB Output is correct
88 Correct 168 ms 6024 KB Output is correct
89 Correct 211 ms 6052 KB Output is correct
90 Correct 190 ms 6100 KB Output is correct
91 Correct 194 ms 6100 KB Output is correct
92 Correct 208 ms 6068 KB Output is correct
93 Correct 215 ms 6100 KB Output is correct
94 Correct 249 ms 6028 KB Output is correct
95 Correct 206 ms 6108 KB Output is correct
96 Correct 237 ms 6120 KB Output is correct
97 Correct 177 ms 6004 KB Output is correct
98 Correct 192 ms 6084 KB Output is correct
99 Correct 222 ms 6120 KB Output is correct
100 Correct 213 ms 6088 KB Output is correct
101 Correct 181 ms 6076 KB Output is correct
102 Correct 174 ms 6104 KB Output is correct
103 Correct 175 ms 6028 KB Output is correct
104 Correct 191 ms 6032 KB Output is correct
105 Correct 198 ms 6100 KB Output is correct
106 Correct 187 ms 6068 KB Output is correct
107 Correct 172 ms 6072 KB Output is correct
108 Correct 182 ms 6020 KB Output is correct
109 Correct 194 ms 6052 KB Output is correct
110 Correct 203 ms 6124 KB Output is correct
111 Correct 193 ms 6088 KB Output is correct
112 Correct 192 ms 6068 KB Output is correct
113 Correct 207 ms 6096 KB Output is correct
114 Correct 159 ms 5740 KB Output is correct
115 Correct 147 ms 5704 KB Output is correct
116 Correct 168 ms 6028 KB Output is correct
117 Execution timed out 3066 ms 6276 KB Time limit exceeded
118 Halted 0 ms 0 KB -