QOJ.ac

QOJ

ID	题目	提交者	结果	用时	内存	语言	文件大小	提交时间	测评时间
#616630	#1869. Power Station of Art	cyj888	RE	0ms	6024kb	C++11	1.8kb	2024-10-06 09:24:32	2024-10-06 09:24:33

Judging History

你现在查看的是最新测评结果

[2024-10-06 09:24:33]
评测

测评结果：RE
用时：0ms
内存：6024kb

查看

[2024-10-06 09:24:32]
提交

answer

#include <bits/stdc++.h>
//#define int long long
#define fi first
#define se second
#define pb push_back
#define ott(i, l, r) for (int i = (l); i <= (r); i ++)
#define tto(i, l, r) for (int i = (r); i >= (l); i --)
int read () {
	int x = 0; bool f = 0; char c = getchar ();
	while (!isdigit (c)) f |= (c == '-'), c = getchar ();
	while (isdigit (c)) x = (x << 3) + (x << 1) + (c ^ 48), c = getchar ();
	if (f) x = -x; return x;
}
using namespace std;
using ll = long long;
const int N = 1e5 + 110, mod = 1e9 + 7, inf = 0x3f3f3f3f;
int T, n, m; bool res;
int a[N], b[N], col[N], c1[2], c2[2]; bool c[N], d[N];
vector <int> e[N];
vector <pair <int, int>> A, B;
bool dfs (int u) {
	A.emplace_back (a[u], c[u] ^ col[u]), B.emplace_back (b[u], d[u] ^ col[u]);
	bool fl = 1; ++ c1[c[u]], ++ c2[d[u]];
	for (int v : e[u]) {
		if (!~col[v]) col[v] = col[u] ^ 1, fl &= dfs (v);
		else if (!(col[v] ^ col[u])) fl = 0;
	}
	return fl;
}
void sol () {
	res = 1, n = read (), m = read (); while (m --) {
		int x = read (), y = read ();
		e[x].pb (y), e[y].pb (x);
	}
	ott (i, 1, n) a[i] = read (); ott (i, 1, n) c[i] = getchar () == 'R';
	ott (i, 1, n) b[i] = read (); ott (i, 1, n) d[i] = getchar () == 'R';
	fill (col + 1, col + 1 + n, -1);
	ott (i, 1, n) {
		if (!~col[i]) {
			col[i] = 0, c1[0] = c2[0] = c1[1] = c2[1] = 0;
			bool fl = dfs (i); sort (A.begin (), A.end ()), sort (B.begin (), B.end ());
			if (fl)
				ott (i, 0, A.size () - 1)
				    fl &= (A[i] == B[i]);
			else {
				fl = !((c1[0] ^ c2[0]) & 1);
				ott (i, 0, A.size () - 1)
				    fl &= (A[i].fi == B[i].fi);
			}
			res &= fl, A.clear (), B.clear ();
		}
	}
	puts (res ? "YES" : "NO");
	ott (i, 1, n) e[i].clear ();
    return ;
}
int main () {
	T = read (); while (T --) sol ();
	return 0;
}

源文件, 语言: C++11

詳細信息

Test #1:

score: 100

Accepted

time: 0ms

memory: 6024kb

input:

output:

YES
NO
YES

result:

ok 3 lines

Test #2:

score: -100

Runtime Error

input:

25054
5 10
4 5
4 2
4 3
4 1
5 2
5 3
5 1
2 3
2 1
3 1
12 2 9 10 7
RRRBB
10 2 9 7 12
RRBRB
1 0
4
R
4
R
8 4
4 3
1 5
8 5
6 5
7 2 11 10 9 6 3 5
RBRBBRBR
7 2 10 11 6 5 3 9
RBRBBRBR
7 4
7 2
5 1
5 6
5 4
12 5 9 14 5 12 12
RRBRBRR
14 12 9 5 12 12 5
RBBRBRB
10 1
4 6
5 3 2 9 7 3 11 11 6 8
RRRBRRBBBR
5 3 2 3 7 9 1...

output:

YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
NO
YES
NO
NO
YES
YES
YES
NO
YES
NO
YES
YES
NO
YES
YES
NO
YES
NO
YES
YES
YES
YES
NO
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
YES
NO
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
NO
YES
NO
NO...