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QOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#485781	#385. 游戏	weiguoliang	100 ✓	8ms	17868kb	C++14	2.6kb	2024-07-21 08:38:41	2024-07-21 08:38:42

Judging History

This is the latest submission verdict.

[2024-07-21 08:38:42]
Judged

Verdict: 100
Time: 8ms
Memory: 17868kb

Show

[2024-07-21 08:38:41]
Submitted

answer

#include<bits/stdc++.h>
#define ll long long
#define N 100005
using namespace std;
struct node{
    ll t,n;
}edge[N<<1];
struct no{
    ll f,t;
    char hf,ht;
}x[N];
ll head[N],cn=-1,n,m,d,a[N],low[N],dfn[N],cnt,be[N],nt;
bool p,vis[N];
vector<ll>v;
stack<ll>s;
ll read(){char c=getchar();
    ll n=0;
    while(c<'0'||c>'9')c=getchar();
    while(c<='9'&&c>='0')n=(n<<1)+(n<<3)+c-'0',c=getchar();
    return n;
}
void add(ll a,ll b){
    edge[++cn]={b,head[a]};
    head[a]=cn;
}
char r(){char c=getchar();
    return c==' '||c=='\n'?r():c;
}
ll z(ll k,char p){
    return ((a[k]==2||a[k]==1)&&p=='A')||(!a[k]&&p=='B')?k:k+n;
}
ll zf(ll k,char p){
    return ((a[k]==2||a[k]==1)&&p=='A')||(!a[k]&&p=='B')?k+n:k;
}
char pd(ll i){
    if(be[i]<be[i+n]){
        if(a[i]==0)return 'B';
        else return 'A';
    }
    else{
        if(a[i]==2)return 'B';
        else return 'C';
    }
}
void tarjan(ll f){ll i;
    low[f]=dfn[f]=++cnt,s.push(f),vis[f]=true;
    for(i=head[f];i!=-1;i=edge[i].n){
        if(!dfn[edge[i].t])tarjan(edge[i].t),low[f]=min(low[f],low[edge[i].t]);
        else if(vis[edge[i].t])low[f]=min(low[f],dfn[edge[i].t]);
    }
    if(dfn[f]==low[f]){ll t;nt++;
        do{t=s.top(),s.pop();
            be[t]=nt,vis[t]=false;
        }while(t!=f);
    }
}
//a为不要A，b为不要B，c为不要C，i为第一个可用，i+n为第二个
int main(){ll i,k;char c;
    ios::sync_with_stdio(0);
    cout.tie(0);
    n=read(),d=read();
    memset(a,-1,sizeof(a));
    for(i=1;i<=n;i++){c=r();
        switch(c){
            case 'a':a[i]=0;break;
            case 'b':a[i]=1;break;
            case 'c':a[i]=2;break;
            case 'x':v.push_back(i);break;
        }
    }m=read();
    for(i=1;i<=m;i++)x[i].f=read(),x[i].hf=r(),x[i].t=read(),x[i].ht=r();
    for(i=0;i<(1<<d);i++){memset(head,-1,sizeof(head)),memset(dfn,0,sizeof(dfn)),cnt=0,cn=-1,p=true,nt=0;
        for(k=0;k<d;k++)a[v[k]]=((i>>k)&1);
        for(k=1;k<=m;k++){
            if(a[x[k].f]+'A'==x[k].hf)continue;
            if(a[x[k].t]+'A'==x[k].ht){
                add(z(x[k].f,x[k].hf),zf(x[k].f,x[k].hf));
                continue;
            }
            add(z(x[k].f,x[k].hf),z(x[k].t,x[k].ht)),add(zf(x[k].t,x[k].ht),zf(x[k].f,x[k].hf));
        }
        for(k=1;k<=n+n;k++)if(!dfn[k])tarjan(k);
        for(k=1;k<=n;k++){
            if(be[k]==be[k+n]){
                p=false;
                break;
            }
        }
        if(!p)continue;
        for(k=1;k<=n;k++)cout<<pd(k);
        return 0;
    }
    cout<<-1;
}

Source code, Language: C++14

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 5

Accepted

time: 1ms

memory: 8540kb

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: 1ms

memory: 10576kb

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: 1ms

memory: 9796kb

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: 1ms

memory: 9764kb

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:

BABCC

result:

ok

Test #5:

score: 5

Accepted

time: 1ms

memory: 10144kb

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: 10760kb

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: 9764kb

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:

BAABABAAAAAAABBABAAA

result:

ok

Test #8:

score: 5

Accepted

time: 0ms

memory: 10232kb

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:

BBBCABAABBBAAACABACC

result:

ok

Test #9:

score: 5

Accepted

time: 1ms

memory: 10576kb

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:

CAABBBACCAAABBBACCBC

result:

ok

Test #10:

score: 5

Accepted

time: 0ms

memory: 9736kb

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: 1ms

memory: 10332kb

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: 1ms

memory: 9764kb

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: 1ms

memory: 10520kb

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: 1ms

memory: 9788kb

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: 2ms

memory: 10664kb

input:

5000 0
ccbbbbacccabaacccbccaabcbcbabcabbbcbccacbbcccbccbcacbacaacbccaaacbcaabbacacabaaaccacbaccbbbccaabbbcabcbabaaccbaacacbaaccbacaccababcabbbccacbcabaabababaacccbbababbaabbbaccbabaabbbcbacbbbbbacbbabcabacbbcbaaaaaaccbaaaabccccacaaacabaabaccacabbaacaaccbbcbcaaaccbbccbccbccaacbccacbcbbacaaaaabbacbaab...

output:

-1

result:

ok

Test #16:

score: 5

Accepted

time: 1ms

memory: 9828kb

input:

5000 8
ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc...

output:

ABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABAB...

result:

ok

Test #17:

score: 5

Accepted

time: 2ms

memory: 12164kb

input:

5000 8
abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcab...

output:

BCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCA...

result:

ok

Test #18:

score: 5

Accepted

time: 4ms

memory: 17484kb

input:

50000 0
baabcbbaacbbabababbbabcbcbbcabccaaacccbaaabcabccccbbaacbaaacbcacbabbbbabccabaabbcabacacaaabbaccccbcacaaacbcaacbcacbbabbcbabccbbcacbacbbccacbcabcbcbcacbaacaaccbcbabaaacbcbbccbcacacccbbcabcaccacaaaaaacbcaccaacbbbaaaccaaccaaacbacbaaccaabccaababbabaaaaacbaabaccabacbcbabbcbaabacbbacbbaaabababccac...

output:

ABBAAAABBAAABABABAAABAAAAAAABAAABBBAAAABBBAABAAAAAAABBAABBBAAABAABAAAABAAABABBAAABABABABBBAABAAAAAABABBBAAABBAAABAAABAAAABAAAAAABAABAAAAABAAABAAAAAABAABBABBAAAAABABBBAAAAAAAAABABAAAAAABAABAABABBBBBBAAABAABBAAAABBBAABBAABBBAABAABBAABBAAABBABAABABBBBBAABBABAABABAAAABAAAABBABAAABAAABBBABABAAABABBAABAAA...

result:

ok

Test #19:

score: 5

Accepted

time: 8ms

memory: 17820kb

input:

50000 8
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc...

output:

ABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABAB...

result:

ok

Test #20:

score: 5

Accepted

time: 8ms

memory: 17868kb

input:

50000 8
abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabca...

output:

BCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCABCA...

result:

ok

Extra Test:

score: 0

Extra Test Passed