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
#269506	#385. 游戏	RDFZchenyy	100 ✓	15ms	36184kb	C++14	2.5kb	2023-11-29 17:55:57	2023-11-29 17:55:58

Judging History

你现在查看的是最新测评结果

[2023-11-29 17:55:58]
评测

测评结果：100
用时：15ms
内存：36184kb

查看

[2023-11-29 17:55:57]
提交

answer

#include<bits/stdc++.h>
using namespace std;

#define MAXN 1000005
#define MAXL 1000005
#define MAXM 1000005

int n,d;
char s1[MAXN];
int l,ri,rj;
char hi,hj;

struct Limit{
	int i,j;
	char hi,hj;
}lim[MAXL];

vector<int> vecx;

// tarjan

struct Edge{
	int v,nxt;
}e[MAXM];
int h[MAXN],tcnt=0;

void adde(int u,int v){
	e[tcnt].v=v;
	e[tcnt].nxt=h[u];
	h[u]=tcnt++;
	
	return;
}

int dc=0;
int dfn[MAXN],low[MAXN];

stack<int> st;
int ins1[MAXN],vis1[MAXN];

int sc=0;

void tarjan(int u){
	low[u]=dfn[u]=++dc;
	st.push(u);
	vis1[u]=true;
	for(int i=h[u];i+1;i=e[i].nxt){
		int v=e[i].v;
		if(!dfn[v]){
			tarjan(v);
			low[u]=min(low[u],low[v]);
		}else if(vis1[v]){
			low[u]=min(low[u],dfn[v]);
		}
	}
	
	if(low[u]==dfn[u]){
		ins1[u]=sc;
		vis1[u]=false;
		while(st.top()!=u){
			ins1[st.top()]=sc;
			vis1[st.top()]=false;
			st.pop();
		}
		st.pop();
		
		sc++;
	}
	
	return;
}

inline int to(char c,char hc){
	int ihc=hc-'A';
	int ic=c-'a';
	if(ihc==ic){
		return -1;
	}else if(ihc>ic){
		ihc--;
	}
	
	return ihc;
}

void solve(){	
	memset(h,-1,sizeof(h));
	memset(ins1,-1,sizeof(ins1));
	memset(low,0,sizeof(low));
	memset(dfn,0,sizeof(dfn));
	memset(vis1,0,sizeof(vis1));
	tcnt=sc=0;
	
	for(int i=1;i<=l;i++){
		if(to(s1[lim[i].i],lim[i].hi)==-1){
			continue;
		}
		if(to(s1[lim[i].j],lim[i].hj)==-1){
			adde(((lim[i].i<<1)|to(s1[lim[i].i],lim[i].hi)),((lim[i].i<<1)|to(s1[lim[i].i],lim[i].hi))^1);
			continue;
		}	
		adde(((lim[i].i<<1)|to(s1[lim[i].i],lim[i].hi)),((lim[i].j<<1)|to(s1[lim[i].j],lim[i].hj)));
		adde(((lim[i].j<<1)|to(s1[lim[i].j],lim[i].hj))^1,((lim[i].i<<1)|to(s1[lim[i].i],lim[i].hi))^1);
	}
	for(int i=2;i<=2*n+1;i++){
		if(ins1[i]==-1){
			tarjan(i);
		}
	}
	for(int i=1;i<=n;i++){
		if(ins1[(i<<1)]==ins1[(i<<1)|1]){
			return;
		}
	}
	for(int i=1;i<=n;i++){
		int now=0;
		if(ins1[(i<<1)|1]<ins1[(i<<1)]){
			now=1;
		}
		if(now>=s1[i]-'a'){
			now++;
		}
		printf("%c",'A'+now);
	}
	printf("\n");
	exit(0);
}

void dfs(int di){
	if(di>=d){
		solve();
		return;
	}
	
	s1[vecx[di]]='a';
	dfs(di+1);
	s1[vecx[di]]='b';
	dfs(di+1);
	
	return;		
}

int main(){
	ios::sync_with_stdio(false);
	
	cin>>n>>d;
	cin>>s1+1;
	
	for(int i=1;i<=n;i++){
		if(s1[i]=='x'){
			vecx.push_back(i);
		}
	}
	
	cin>>l;
	
	for(int i=1;i<=l;i++){
		cin>>lim[i].i>>lim[i].hi>>lim[i].j>>lim[i].hj;
	}
	
	dfs(0);
	
	printf("-1\n");
	
	return 0;
}

源文件, 语言: C++14

详细

Test #1:

score: 5

Accepted

time: 4ms

memory: 25032kb

input:

2 0
ba
4
2 C 2 C
1 B 1 A
2 C 1 C
2 B 1 A

output:

AB

result:

ok

Test #2:

score: 5

Accepted

time: 0ms

memory: 27128kb

input:

2 1
xc
4
2 B 2 A
2 A 1 C
2 C 2 C
2 B 1 A

output:

CA

result:

ok

Test #3:

score: 5

Accepted

time: 0ms

memory: 25148kb

input:

5 0
bcbbb
10
1 B 1 C
3 C 1 C
2 B 5 A
1 C 1 C
2 A 5 A
3 A 1 C
2 B 1 C
3 A 1 B
1 B 4 B
1 B 4 A

output:

CACAA

result:

ok

Test #4:

score: 5

Accepted

time: 0ms

memory: 25048kb

input:

5 2
acxax
10
2 B 1 A
3 C 4 C
4 B 3 C
5 B 3 B
2 B 3 A
3 A 2 A
5 B 1 C
3 B 1 B
2 C 4 C
4 B 2 A

output:

BACCC

result:

ok

Test #5:

score: 5

Accepted

time: 0ms

memory: 25136kb

input:

10 0
abbbacabab
20
5 A 3 B
9 A 4 C
4 C 10 A
8 B 3 C
6 C 10 A
5 A 9 C
8 A 2 C
5 A 8 B
10 A 10 A
5 B 4 B
6 C 10 C
2 C 4 B
5 C 7 B
5 A 10 B
3 A 7 B
6 B 4 B
3 C 8 B
1 B 3 B
4 B 3 C
8 A 2 A

output:

CAAACABCBA

result:

ok

Test #6:

score: 5

Accepted

time: 0ms

memory: 25096kb

input:

10 4
xbbxccxbxc
20
2 A 10 A
10 C 4 C
1 A 5 A
2 A 2 A
9 C 2 B
2 B 6 C
2 B 9 A
3 B 2 B
4 B 9 A
4 A 5 A
2 B 10 A
3 B 6 A
8 C 8 B
3 B 3 B
3 B 7 A
9 C 6 C
6 A 8 C
4 A 10 A
2 C 4 B
9 C 7 B

output:

BAACABBABA

result:

ok

Test #7:

score: 5

Accepted

time: 0ms

memory: 25144kb

input:

20 0
cccccccccccccccccccc
40
15 A 13 C
6 B 19 A
3 C 5 B
20 C 6 C
1 C 10 B
10 C 7 C
13 B 17 A
1 A 3 A
15 A 15 A
13 B 18 B
14 A 4 A
1 A 3 A
4 C 14 A
1 B 6 B
2 B 8 B
3 C 15 A
1 B 17 B
6 A 17 A
12 B 6 A
8 B 1 C
15 B 1 B
18 C 3 C
2 A 8 A
14 B 6 B
15 C 9 A
17 A 10 C
15 A 7 A
8 C 6 A
18 B 12 C
14 C 10 A
9 ...

output:

BAABABAABAAAABBABAAA

result:

ok

Test #8:

score: 5

Accepted

time: 0ms

memory: 25140kb

input:

20 0
caaabacbacabbcacabaa
40
7 B 19 C
15 A 12 B
2 A 12 C
20 B 1 B
4 B 4 A
4 A 18 C
4 A 3 A
15 C 12 A
2 C 12 C
15 B 6 A
10 A 12 B
13 C 7 C
2 C 6 C
16 C 18 A
12 B 17 B
8 C 11 B
14 B 11 A
8 B 8 C
19 A 7 C
6 C 3 C
1 C 4 B
1 C 5 A
13 B 4 C
14 B 9 A
11 A 9 C
8 B 16 B
2 C 20 A
2 A 14 C
10 B 13 A
17 A 19 B
...

output:

BBCCABAABBBAAACABACC

result:

ok

Test #9:

score: 5

Accepted

time: 0ms

memory: 27176kb

input:

20 8
xccccccxxcxcccccxxxx
40
12 A 18 C
16 C 14 C
10 B 2 C
1 A 10 A
11 A 13 B
15 A 6 B
8 A 14 B
16 A 15 B
4 C 5 C
19 C 4 B
17 C 11 A
12 B 14 C
18 B 17 B
14 A 11 C
16 C 6 C
13 C 20 B
16 B 13 C
8 B 7 C
9 B 16 B
1 B 18 A
7 B 6 A
8 B 19 A
16 C 17 A
8 A 6 A
10 A 14 B
20 C 6 B
13 C 5 A
14 A 3 C
20 B 14 C
4...

output:

CAABBABCCABAABBABCBA

result:

ok

Test #10:

score: 5

Accepted

time: 7ms

memory: 27092kb

input:

20 8
cbabxccxxxxxbaxxaaac
40
8 C 7 C
19 C 12 C
19 A 6 B
6 C 20 B
12 B 18 B
6 A 10 B
11 B 14 B
20 C 18 B
4 A 7 C
18 A 1 A
18 C 14 A
5 B 13 B
3 B 7 A
8 C 1 C
14 B 4 C
13 A 1 A
7 A 19 A
11 B 16 A
9 A 7 A
11 C 4 B
10 B 1 A
1 A 1 B
5 A 8 C
20 C 13 A
3 B 11 B
18 C 13 A
11 A 20 B
3 A 16 C
17 A 5 C
6 C 17 B...

output:

BCCCCBBBBCAACBBBCBBB

result:

ok

Test #11:

score: 5

Accepted

time: 0ms

memory: 25044kb

input:

100 0
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
200
62 A 60 B
22 A 46 A
87 A 67 B
29 A 43 A
64 B 28 B
83 B 16 A
50 A 64 B
48 A 95 A
28 B 90 A
5 A 12 A
23 B 86 A
62 A 81 B
64 B 9 B
5 A 10 B
89 B 18 B
69 B 62 A
63 A 55 A
28 B 92 B
49 A 43 A
71...

output:

ABABBBAAAAABBBBBBABBABABABAABBBBAABBAABBAABBABBBBBABBABABBAAABBABABBAABBAABABBAAAAABBBAAABBAAABBBBBB

result:

ok

Test #12:

score: 5

Accepted

time: 0ms

memory: 27176kb

input:

100 0
cabaabbaaabacbaccbccacbcaaccccbbcccbabbaaaacccbaaabbcaaabaabcaabcbbcaabaabaaccacbaabbacbbacaaabcbbca
200
94 C 31 A
29 B 48 B
89 C 52 A
49 B 11 C
10 C 66 C
90 B 49 B
80 B 19 B
26 B 54 B
20 B 65 B
52 A 80 B
51 A 33 A
94 C 6 C
18 C 60 A
87 B 45 B
12 C 7 A
26 B 57 A
89 C 54 B
4 B 29 B
39 A 67 C
22...

output:

ABACCACCBCCBAABAAAAABBABBCBAAACCBBBCCACBCCBAABCCCBCCBCBBABCCABBCBCABBCABBCBCABBACCCACBAAACABBBABCCBB

result:

ok

Test #13:

score: 5

Accepted

time: 0ms

memory: 25132kb

input:

100 8
cccccxccccccxccccxccccccxcccccccxccccxccccccccccxccccccccccccccccccccccccccccccccccccccxcccccccccccc
200
38 A 13 B
60 A 18 B
36 B 76 B
95 A 7 B
25 A 58 B
53 A 27 A
21 A 78 A
15 A 48 A
52 B 59 A
65 B 68 A
72 A 47 A
95 A 48 A
96 A 67 A
96 A 47 A
46 B 96 A
79 B 36 B
60 A 90 B
5 B 95 A
17 A 99 A
2...

output:

AABBACBBAABACBBABBBABAAABAAABBBACBAAABAABBAABABACBBAAAABBBBBBBAAAAABAAABBAAABBAAAABABBBBBABAAABBAABB

result:

ok

Test #14:

score: 5

Accepted

time: 0ms

memory: 25104kb

input:

100 8
ccbbcaacxxbcxacbcaabxaaccbxcaabacbccaccacbcacxcacccccccbcacbaabbabaacbbababaxabcccacaxabaaacabbcbccc
200
41 A 8 A
75 C 86 C
93 B 26 A
83 C 55 A
49 B 69 B
50 B 54 B
41 A 85 C
43 B 4 A
75 C 95 A
2 A 54 B
14 C 3 A
18 C 79 A
5 B 8 A
61 C 90 B
48 C 96 B
84 A 40 C
55 A 58 B
77 A 47 A
36 A 60 A
2 A 8...

output:

BBCAABBBCBCBBBBAABBCBBCABCBABCCBAAABCAACBCABABACAAAAAABCACACCCCCCCBBACCBABACBBCBBABBBBCCCBCACCCBABBA

result:

ok

Test #15:

score: 5

Accepted

time: 0ms

memory: 25232kb

input:

5000 0
ccbbbbacccabaacccbccaabcbcbabcabbbcbccacbbcccbccbcacbacaacbccaaacbcaabbacacabaaaccacbaccbbbccaabbbcabcbabaaccbaacacbaaccbacaccababcabbbccacbcabaabababaacccbbababbaabbbaccbabaabbbcbacbbbbbacbbabcabacbbcbaaaaaaccbaaaabccccacaaacabaabaccacabbaacaaccbbcbcaaaccbbccbccbccaacbccacbcbbacaaaaabbacbaab...

output:

-1

result:

ok

Test #16:

score: 5

Accepted

time: 3ms

memory: 27380kb

input:

5000 8
ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc...

output:

ABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABAB...

result:

ok

Test #17:

score: 5

Accepted

time: 3ms

memory: 25196kb

input:

5000 8
abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcab...

output:

BCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCA...

result:

ok

Test #18:

score: 5

Accepted

time: 10ms

memory: 36184kb

input:

50000 0
baabcbbaacbbabababbbabcbcbbcabccaaacccbaaabcabccccbbaacbaaacbcacbabbbbabccabaabbcabacacaaabbaccccbcacaaacbcaacbcacbbabbcbabccbbcacbacbbccacbcabcbcbcacbaacaaccbcbabaaacbcbbccbcacacccbbcabcaccacaaaaaacbcaccaacbbbaaaccaaccaaacbacbaaccaabccaababbabaaaaacbaabaccabacbcbabbcbaabacbbacbbaaabababccac...

output:

ABBAAAABBAAABABABAAABAAAAAAABAAABBBAAAABBBAABAAAAAAABBAABBBAAABAABAAAABAAABABBAAABABABABBBAABAAAAAABABBBAAABBAAABAAABAAAABAAAAAABAABAAAAABAAABAAAAAABAABBABBAAAAABABBBAAAAAAAAABABAAAAAABAABAABABBBBBBAAABAABBAAAABBBAABBAABBBAABAABBAABBAAABBABAABABBBBBAABBABAABABAAAABAAAABBABAAABAAABBBABABAAABABBAABAAA...

result:

ok

Test #19:

score: 5

Accepted

time: 15ms

memory: 34144kb

input:

50000 8
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc...

output:

ABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABAB...

result:

ok

Test #20:

score: 5

Accepted

time: 13ms

memory: 36144kb

input:

50000 8
abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabca...

output:

BCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCA...

result:

ok

Extra Test:

score: 0

Extra Test Passed