답안 #832330

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
832330	2023-08-21T09:08:16 Z	ttamx	정렬하기 (IOI15_sorting)	C++14	100 / 100	218 ms	15056 KB

sorting

#include "sorting.h"
#include<bits/stdc++.h>

using namespace std;

int n,m;
vector<int> s,x,y;
vector<pair<int,int>> ans;

bool chk(int val,bool gen=false){
	vector<int> id(n),pos(n),pos2(n),tar(n);
	iota(id.begin(),id.end(),0);
	iota(tar.begin(),tar.end(),0);
	iota(pos2.begin(),pos2.end(),0);
	for(int i=0;i<val;i++)swap(tar[x[i]],tar[y[i]]);
	for(int i=0;i<n;i++)pos[s[i]]=i;
	auto seq=s;
	auto doswap=[&](int u,int v){
		swap(seq[u],seq[v]);
		swap(pos[seq[u]],pos[seq[v]]);
		swap(id[u],id[v]);
		swap(pos2[id[u]],pos2[id[v]]);
	};
	int cnt=0;
	for(int i=0;i<n;i++){
		if(id[pos[i]]!=tar[i]){
			doswap(x[cnt],y[cnt]);
			int u=pos[i],v=pos2[tar[i]];
			if(gen)ans.emplace_back(u,v);
			swap(seq[u],seq[v]);
			swap(pos[seq[u]],pos[seq[v]]);
			cnt++;
		}
	}
	return cnt<=val;
}

int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
	n=N,m=M;
	for(int i=0;i<N;i++){
		s.emplace_back(S[i]);
		x.emplace_back(X[i]);
		y.emplace_back(Y[i]);
	}
	int l=0,r=n-1;
	while(l<r){
		int mid=(l+r)/2;
		auto seq=s;
		if(chk(mid))r=mid;
		else l=mid+1;
	}
	chk(l,true);
	while(ans.size()<l)ans.emplace_back(0,0);
	for(int i=0;i<l;i++)tie(P[i],Q[i])=ans[i];
	return l;
}

Compilation message

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:53:18: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   53 |  while(ans.size()<l)ans.emplace_back(0,0);
      |        ~~~~~~~~~~^~

Subtask #1
8.0 / 8.0

#	결과	메모리	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct
4	Correct	212 KB	Output is correct
5	Correct	212 KB	Output is correct
6	Correct	212 KB	Output is correct
7	Correct	212 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	메모리	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct
4	Correct	212 KB	Output is correct
5	Correct	212 KB	Output is correct
6	Correct	212 KB	Output is correct
7	Correct	212 KB	Output is correct
8	Correct	212 KB	Output is correct
9	Correct	212 KB	Output is correct
10	Correct	340 KB	Output is correct
11	Correct	212 KB	Output is correct
12	Correct	212 KB	Output is correct

Subtask #3
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct

Subtask #4
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	1 ms	468 KB	Output is correct
3	Correct	1 ms	460 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	2 ms	468 KB	Output is correct
8	Correct	1 ms	468 KB	Output is correct
9	Correct	1 ms	468 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	1 ms	468 KB	Output is correct
12	Correct	1 ms	468 KB	Output is correct
13	Correct	1 ms	468 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct

Subtask #6
26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	1 ms	468 KB	Output is correct
3	Correct	1 ms	460 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	2 ms	468 KB	Output is correct
8	Correct	1 ms	468 KB	Output is correct
9	Correct	1 ms	468 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	1 ms	468 KB	Output is correct
12	Correct	1 ms	468 KB	Output is correct
13	Correct	1 ms	468 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	136 ms	13696 KB	Output is correct
16	Correct	140 ms	14052 KB	Output is correct
17	Correct	176 ms	14588 KB	Output is correct
18	Correct	71 ms	11948 KB	Output is correct
19	Correct	145 ms	13452 KB	Output is correct
20	Correct	148 ms	13788 KB	Output is correct
21	Correct	179 ms	13804 KB	Output is correct
22	Correct	128 ms	14776 KB	Output is correct
23	Correct	154 ms	14976 KB	Output is correct
24	Correct	200 ms	14812 KB	Output is correct
25	Correct	201 ms	14620 KB	Output is correct
26	Correct	159 ms	13864 KB	Output is correct
27	Correct	138 ms	13424 KB	Output is correct
28	Correct	178 ms	14780 KB	Output is correct
29	Correct	166 ms	14732 KB	Output is correct
30	Correct	117 ms	13888 KB	Output is correct
31	Correct	173 ms	15012 KB	Output is correct
32	Correct	145 ms	14620 KB	Output is correct
33	Correct	181 ms	14736 KB	Output is correct
34	Correct	158 ms	14704 KB	Output is correct
35	Correct	137 ms	13364 KB	Output is correct
36	Correct	74 ms	13076 KB	Output is correct
37	Correct	189 ms	15056 KB	Output is correct
38	Correct	218 ms	14596 KB	Output is correct
39	Correct	171 ms	14696 KB	Output is correct

답안 #832330

Compilation message

Subtask #1 8.0 / 8.0

Subtask #2 12.0 / 12.0

Subtask #3 16.0 / 16.0

Subtask #4 18.0 / 18.0

Subtask #5 20.0 / 20.0

Subtask #6 26.0 / 26.0

Subtask #1
8.0 / 8.0

Subtask #2
12.0 / 12.0

Subtask #3
16.0 / 16.0

Subtask #4
18.0 / 18.0

Subtask #5
20.0 / 20.0

Subtask #6
26.0 / 26.0