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답안 #726874

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
726874 2023-04-19T13:18:26 Z alvingogo Split the Attractions (IOI19_split) C++14
100 / 100
 161 ms 27768 KB 
#include "split.h"
#include <bits/stdc++.h>
//#include "grader.cpp"
#define fs first
#define sc second
using namespace std;

vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
	int m=p.size();
	vector<vector<int> > e(n);
	for(int i=0;i<m;i++){
		e[p[i]].push_back(q[i]);
		e[q[i]].push_back(p[i]);
	}
	vector<int> ans(n);
	pair<int,int> rk[3]={{a,1},{b,2},{c,3}};
	if(a>b){
		swap(rk[0],rk[1]);
	}
	if(b>c){
		swap(rk[1],rk[2]);
	}
	vector<int> vis(n),vis2(n);
	int flag=0;
	vector<int> sz(n),dep(n);
	function<void(int)> dfs3=[&](int r){
		ans[r]=rk[1].sc;
		vis2[r]=1;
		rk[1].fs--;
		if(rk[1].fs==0){
			return;
		}
		for(auto h:e[r]){
			if(!vis2[h]){
				dfs3(h);
				if(rk[1].fs==0){
					return;
				}
			}
		}
	};
	function<void(int)> dfs2=[&](int r){
		ans[r]=rk[0].sc;
		vis2[r]=1;
		rk[0].fs--;
		if(rk[0].fs==0){
			return;
		}
		for(auto h:e[r]){
			if(dep[h]==dep[r]+1){
				dfs2(h);
				if(rk[0].fs==0){
					return;
				}
			}
		}
	};
	function<int(int,int)> dfs=[&](int r,int d){
		dep[r]=d;
		vis[r]=1;
		sz[r]=1;
		int f3=0;
		int x=1e9;
		vector<pair<int,int> > zz;
		for(auto h:e[r]){
			if(!vis[h]){
				int u=dfs(h,d+1);
				x=min(x,u);
				if(u<dep[r]){
					zz.push_back({sz[h],h});
				}
				sz[r]+=sz[h];
				if(sz[h]>=rk[0].fs){
					f3=1;
				}
				if(flag){
					return (int)1e9;
				}
			}
			else{
				x=min(x,dep[h]);
			}
		}
		if(flag){
			return (int)1e9;
		}
		if(!f3){
			if(sz[r]>=rk[0].fs){
				int u=n-sz[r];
				int f2=0;
				for(int i=0;i<=zz.size();i++){
					if(u>=rk[1].fs){
						dfs2(r);
						for(auto h:e[r]){
							if(dep[h]==dep[r]-1){
								dfs3(h);
								break;
							}
						}
						break;
					}
					if(i==zz.size()){
						f2=1;
						break;
					}
					u+=zz[i].fs;
					dep[zz[i].sc]=-2;
				}
				if(f2){
					
				}
				else{
					for(int j=0;j<n;j++){
						if(ans[j]==0){
							ans[j]=rk[2].sc;
						}
					}
					flag=1;
					return (int)1e9;
				}
			}
		}
		return x;
	};
	dfs(0,0);
	if(flag){
		return ans;
	}
	swap(rk[0],rk[1]);
	fill(vis.begin(),vis.end(),0);
	fill(sz.begin(),sz.end(),0);
	fill(dep.begin(),dep.end(),0);
	dfs(0,0);
	return ans;
}

Compilation message

split.cpp: In lambda function:
split.cpp:91:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |     for(int i=0;i<=zz.size();i++){
      |                 ~^~~~~~~~~~~
split.cpp:102:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  102 |      if(i==zz.size()){
      |         ~^~~~~~~~~~~

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB ok, correct split
2 Correct 1 ms 212 KB ok, correct split
3 Correct 1 ms 296 KB ok, correct split
4 Correct 1 ms 212 KB ok, correct split
5 Correct 1 ms 212 KB ok, correct split
6 Correct 1 ms 212 KB ok, correct split
7 Correct 82 ms 26692 KB ok, correct split
8 Correct 61 ms 16204 KB ok, correct split
9 Correct 80 ms 20232 KB ok, correct split
10 Correct 72 ms 27564 KB ok, correct split
11 Correct 90 ms 27768 KB ok, correct split

Subtask #2
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB ok, correct split
2 Correct 1 ms 212 KB ok, correct split
3 Correct 1 ms 212 KB ok, correct split
4 Correct 71 ms 12116 KB ok, correct split
5 Correct 48 ms 10548 KB ok, correct split
6 Correct 77 ms 27572 KB ok, correct split
7 Correct 84 ms 24436 KB ok, correct split
8 Correct 93 ms 13772 KB ok, correct split
9 Correct 56 ms 10700 KB ok, correct split
10 Correct 46 ms 10436 KB ok, correct split
11 Correct 50 ms 10412 KB ok, correct split
12 Correct 47 ms 10772 KB ok, correct split

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB ok, correct split
2 Correct 97 ms 10564 KB ok, correct split
3 Correct 19 ms 4404 KB ok, correct split
4 Correct 1 ms 212 KB ok, correct split
5 Correct 85 ms 16100 KB ok, correct split
6 Correct 74 ms 15544 KB ok, correct split
7 Correct 106 ms 15308 KB ok, correct split
8 Correct 97 ms 18192 KB ok, correct split
9 Correct 111 ms 14868 KB ok, correct split
10 Correct 22 ms 3680 KB ok, no valid answer
11 Correct 34 ms 5452 KB ok, no valid answer
12 Correct 82 ms 10748 KB ok, no valid answer
13 Correct 73 ms 10600 KB ok, no valid answer
14 Correct 60 ms 10912 KB ok, no valid answer

Subtask #4
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB ok, correct split
2 Correct 1 ms 232 KB ok, no valid answer
3 Correct 1 ms 212 KB ok, correct split
4 Correct 1 ms 212 KB ok, correct split
5 Correct 1 ms 212 KB ok, correct split
6 Correct 1 ms 212 KB ok, correct split
7 Correct 1 ms 300 KB ok, correct split
8 Correct 1 ms 212 KB ok, correct split
9 Correct 2 ms 724 KB ok, correct split
10 Correct 2 ms 564 KB ok, correct split
11 Correct 1 ms 340 KB ok, correct split
12 Correct 2 ms 564 KB ok, correct split
13 Correct 1 ms 300 KB ok, correct split
14 Correct 1 ms 296 KB ok, correct split
15 Correct 1 ms 212 KB ok, correct split
16 Correct 1 ms 304 KB ok, correct split
17 Correct 1 ms 212 KB ok, correct split
18 Correct 1 ms 212 KB ok, correct split
19 Correct 1 ms 340 KB ok, correct split
20 Correct 1 ms 468 KB ok, correct split
21 Correct 2 ms 596 KB ok, correct split
22 Correct 2 ms 568 KB ok, correct split
23 Correct 2 ms 724 KB ok, correct split
24 Correct 2 ms 596 KB ok, correct split
25 Correct 2 ms 596 KB ok, correct split
26 Correct 2 ms 688 KB ok, correct split
27 Correct 2 ms 572 KB ok, correct split
28 Correct 2 ms 596 KB ok, correct split
29 Correct 1 ms 300 KB ok, correct split
30 Correct 2 ms 596 KB ok, correct split
31 Correct 1 ms 340 KB ok, correct split
32 Correct 1 ms 340 KB ok, correct split
33 Correct 2 ms 340 KB ok, correct split
34 Correct 3 ms 468 KB ok, correct split
35 Correct 2 ms 484 KB ok, correct split
36 Correct 2 ms 468 KB ok, correct split
37 Correct 2 ms 636 KB ok, correct split
38 Correct 3 ms 596 KB ok, correct split
39 Correct 3 ms 596 KB ok, correct split
40 Correct 3 ms 596 KB ok, correct split
41 Correct 2 ms 468 KB ok, correct split
42 Correct 2 ms 468 KB ok, correct split
43 Correct 3 ms 596 KB ok, correct split
44 Correct 3 ms 568 KB ok, correct split
45 Correct 3 ms 596 KB ok, correct split
46 Correct 3 ms 724 KB ok, correct split
47 Correct 2 ms 692 KB ok, no valid answer
48 Correct 1 ms 440 KB ok, correct split
49 Correct 2 ms 724 KB ok, correct split
50 Correct 1 ms 212 KB ok, no valid answer
51 Correct 1 ms 212 KB ok, no valid answer
52 Correct 2 ms 468 KB ok, no valid answer
53 Correct 3 ms 640 KB ok, no valid answer
54 Correct 2 ms 468 KB ok, no valid answer
55 Correct 2 ms 596 KB ok, no valid answer
56 Correct 2 ms 468 KB ok, no valid answer

Subtask #5
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB ok, correct split
2 Correct 1 ms 212 KB ok, correct split
3 Correct 1 ms 296 KB ok, correct split
4 Correct 1 ms 212 KB ok, correct split
5 Correct 1 ms 212 KB ok, correct split
6 Correct 1 ms 212 KB ok, correct split
7 Correct 82 ms 26692 KB ok, correct split
8 Correct 61 ms 16204 KB ok, correct split
9 Correct 80 ms 20232 KB ok, correct split
10 Correct 72 ms 27564 KB ok, correct split
11 Correct 90 ms 27768 KB ok, correct split
12 Correct 1 ms 212 KB ok, correct split
13 Correct 1 ms 212 KB ok, correct split
14 Correct 1 ms 212 KB ok, correct split
15 Correct 71 ms 12116 KB ok, correct split
16 Correct 48 ms 10548 KB ok, correct split
17 Correct 77 ms 27572 KB ok, correct split
18 Correct 84 ms 24436 KB ok, correct split
19 Correct 93 ms 13772 KB ok, correct split
20 Correct 56 ms 10700 KB ok, correct split
21 Correct 46 ms 10436 KB ok, correct split
22 Correct 50 ms 10412 KB ok, correct split
23 Correct 47 ms 10772 KB ok, correct split
24 Correct 1 ms 212 KB ok, correct split
25 Correct 97 ms 10564 KB ok, correct split
26 Correct 19 ms 4404 KB ok, correct split
27 Correct 1 ms 212 KB ok, correct split
28 Correct 85 ms 16100 KB ok, correct split
29 Correct 74 ms 15544 KB ok, correct split
30 Correct 106 ms 15308 KB ok, correct split
31 Correct 97 ms 18192 KB ok, correct split
32 Correct 111 ms 14868 KB ok, correct split
33 Correct 22 ms 3680 KB ok, no valid answer
34 Correct 34 ms 5452 KB ok, no valid answer
35 Correct 82 ms 10748 KB ok, no valid answer
36 Correct 73 ms 10600 KB ok, no valid answer
37 Correct 60 ms 10912 KB ok, no valid answer
38 Correct 0 ms 212 KB ok, correct split
39 Correct 1 ms 232 KB ok, no valid answer
40 Correct 1 ms 212 KB ok, correct split
41 Correct 1 ms 212 KB ok, correct split
42 Correct 1 ms 212 KB ok, correct split
43 Correct 1 ms 212 KB ok, correct split
44 Correct 1 ms 300 KB ok, correct split
45 Correct 1 ms 212 KB ok, correct split
46 Correct 2 ms 724 KB ok, correct split
47 Correct 2 ms 564 KB ok, correct split
48 Correct 1 ms 340 KB ok, correct split
49 Correct 2 ms 564 KB ok, correct split
50 Correct 1 ms 300 KB ok, correct split
51 Correct 1 ms 296 KB ok, correct split
52 Correct 1 ms 212 KB ok, correct split
53 Correct 1 ms 304 KB ok, correct split
54 Correct 1 ms 212 KB ok, correct split
55 Correct 1 ms 212 KB ok, correct split
56 Correct 1 ms 340 KB ok, correct split
57 Correct 1 ms 468 KB ok, correct split
58 Correct 2 ms 596 KB ok, correct split
59 Correct 2 ms 568 KB ok, correct split
60 Correct 2 ms 724 KB ok, correct split
61 Correct 2 ms 596 KB ok, correct split
62 Correct 2 ms 596 KB ok, correct split
63 Correct 2 ms 688 KB ok, correct split
64 Correct 2 ms 572 KB ok, correct split
65 Correct 2 ms 596 KB ok, correct split
66 Correct 1 ms 300 KB ok, correct split
67 Correct 2 ms 596 KB ok, correct split
68 Correct 1 ms 340 KB ok, correct split
69 Correct 1 ms 340 KB ok, correct split
70 Correct 2 ms 340 KB ok, correct split
71 Correct 3 ms 468 KB ok, correct split
72 Correct 2 ms 484 KB ok, correct split
73 Correct 2 ms 468 KB ok, correct split
74 Correct 2 ms 636 KB ok, correct split
75 Correct 3 ms 596 KB ok, correct split
76 Correct 3 ms 596 KB ok, correct split
77 Correct 3 ms 596 KB ok, correct split
78 Correct 2 ms 468 KB ok, correct split
79 Correct 2 ms 468 KB ok, correct split
80 Correct 3 ms 596 KB ok, correct split
81 Correct 3 ms 568 KB ok, correct split
82 Correct 3 ms 596 KB ok, correct split
83 Correct 3 ms 724 KB ok, correct split
84 Correct 2 ms 692 KB ok, no valid answer
85 Correct 1 ms 440 KB ok, correct split
86 Correct 2 ms 724 KB ok, correct split
87 Correct 1 ms 212 KB ok, no valid answer
88 Correct 1 ms 212 KB ok, no valid answer
89 Correct 2 ms 468 KB ok, no valid answer
90 Correct 3 ms 640 KB ok, no valid answer
91 Correct 2 ms 468 KB ok, no valid answer
92 Correct 2 ms 596 KB ok, no valid answer
93 Correct 2 ms 468 KB ok, no valid answer
94 Correct 73 ms 17344 KB ok, correct split
95 Correct 113 ms 23840 KB ok, correct split
96 Correct 107 ms 21724 KB ok, correct split
97 Correct 22 ms 4324 KB ok, correct split
98 Correct 22 ms 4564 KB ok, correct split
99 Correct 43 ms 8016 KB ok, correct split
100 Correct 94 ms 13648 KB ok, correct split
101 Correct 83 ms 12844 KB ok, correct split
102 Correct 92 ms 11936 KB ok, correct split
103 Correct 64 ms 11676 KB ok, correct split
104 Correct 84 ms 13596 KB ok, correct split
105 Correct 41 ms 6732 KB ok, correct split
106 Correct 89 ms 13704 KB ok, correct split
107 Correct 71 ms 10212 KB ok, correct split
108 Correct 75 ms 10144 KB ok, correct split
109 Correct 130 ms 12400 KB ok, correct split
110 Correct 109 ms 12036 KB ok, correct split
111 Correct 116 ms 12436 KB ok, correct split
112 Correct 113 ms 12316 KB ok, correct split
113 Correct 96 ms 12136 KB ok, correct split
114 Correct 9 ms 2388 KB ok, correct split
115 Correct 8 ms 1876 KB ok, correct split
116 Correct 114 ms 11588 KB ok, correct split
117 Correct 141 ms 11660 KB ok, correct split
118 Correct 77 ms 9808 KB ok, correct split
119 Correct 50 ms 9636 KB ok, correct split
120 Correct 75 ms 18648 KB ok, correct split
121 Correct 89 ms 9588 KB ok, no valid answer
122 Correct 73 ms 9704 KB ok, no valid answer
123 Correct 161 ms 13156 KB ok, no valid answer
124 Correct 148 ms 12872 KB ok, no valid answer
125 Correct 74 ms 10276 KB ok, no valid answer
126 Correct 47 ms 8812 KB ok, no valid answer
127 Correct 89 ms 10724 KB ok, no valid answer