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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#709982#9535. Arrow a Rowzeng_wj#AC ✓20ms35200kbC++201.8kb2024-11-04 17:45:452024-11-04 17:45:45

Judging History

This is the latest submission verdict.

  • [2024-11-04 17:45:45]
  • Judged
  • Verdict: AC
  • Time: 20ms
  • Memory: 35200kb
  • [2024-11-04 17:45:45]
  • Submitted

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long 
#define endl "\n"
#define rep(i,j,k) for(int i = (j) , _i = (k) ; i <= _i ; i ++ )
#define drp(i,j,k) for(int i = (j) , _i = (k) ; i >= _i ; i -- )

const int N=1e6+5;
struct ANS{
    pair<int,int> sta1[N],sta2[N];
    int top1,top2;
    void priopush(int x,int y) {
        sta2[++top2]=make_pair(x,y);
    }
    void push(int x,int y) {
        sta1[++top1]=make_pair(x,y);
    }
    void flush() {
        cout<<top1+top2<<endl;
        rep(i,1,top2) {
            cout<<sta2[i].first<<" "<<sta2[i].second-sta2[i].first+1<<endl;
        }
        top2=0;
        while(top1) {
            cout<<sta1[top1].first<<" "<<sta1[top1].second-sta1[top1].first+1<<endl;
            top1--;
        }
    }
}ans;

void solve() 
{
    string s ;
    cin >> s ;
    int n = s.size () ;
    s = " " + s ; 
    if(s[1]=='-'||s[n-2]=='-'||s[n-1]=='-'||s[n]=='-') {
        cout<<"No"<<endl;
        return ;
    }
    int exist_=0;
    rep(i,1,n) exist_|=s[i]=='-';
    if(!exist_) {
        cout<<"No"<<endl;
        return ;
    }

    cout<<"Yes ";

    int consecusive=n;
    while(s[consecusive-1]=='>') consecusive--;
    while(n-consecusive>2) ans.priopush(n-4,n),n--;

    int L=n-3,R=n;
    while(s[L-1]=='-') L--;
    L--;
    ans.push(L,R);

    while(L!=1) {
        if(s[L-1]=='>') {
            ans.push(L-1,L+3);
            L--;
        }
        else {
            int head_=L-1;
            while(s[head_-1]=='-') head_--;
            ans.push(head_-1,L+2);
            L=head_-1;
        }
    }

    ans.flush();

}

signed main () {
    ios::sync_with_stdio(0) , cin.tie(0) , cout.tie(0) ;
    int _ = 1 ;
    cin >> _ ;
    while (_ -- ) {
        solve() ; 
    }

    return 0 ; 
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 34872kb

input:

4
>>->>>
>>>->
>>>>>
>->>>>>>

output:

Yes 2
1 5
2 5
No
No
Yes 4
4 5
3 5
2 5
1 5

result:

ok ok (4 test cases)

Test #2:

score: 0
Accepted
time: 0ms
memory: 34884kb

input:

126
>->-->>>>
>--->->>>>
>--->-->>>
>>-->->>>
>>-->>>>>
>>->->>>>
>>->>->>>>
>-->->->>>
>->->>>>>>
>->>>
>->->>>>>
>>>->->>>
>>->>>>>>>
>>>>>->>>
>->>>->>>
>>--->->>>
>>->>>>
>->>>>->>>
>>>>-->>>
>---->>>
>>>---->>>
>>>>->>>>
>->>-->>>
>-->-->>>>
>>---->>>
>>--->>>
>->>>-->>>
>>-->>>>
>>---->>>>
>>-...

output:

Yes 3
5 5
1 5
3 6
Yes 3
6 5
1 7
5 5
Yes 2
1 7
5 6
Yes 3
1 5
2 6
5 5
Yes 4
5 5
4 5
1 5
2 6
Yes 4
5 5
1 5
2 5
4 5
Yes 5
6 5
1 5
2 5
4 5
5 5
Yes 3
1 6
4 5
6 5
Yes 5
6 5
5 5
4 5
1 5
3 5
Yes 1
1 5
Yes 4
5 5
4 5
1 5
3 5
Yes 4
1 5
2 5
3 5
5 5
Yes 6
6 5
5 5
4 5
3 5
1 5
2 5
Yes 5
1 5
2 5
3 5
4 5
5 5
Yes 4
1 ...

result:

ok ok (126 test cases)

Test #3:

score: 0
Accepted
time: 3ms
memory: 34880kb

input:

4032
>>--->>>>>>>>
>->>->->-->->>>
>>--->>--->>>
>>->->->>>>>>>>
>->---->->>>
>->>->>---->>>>
>>>>>>>>->>>>
>->>>--->>>->>>
>->>->>-->>>>>>
>->>-->---->>>
>-->--->>>->>>
>->---->>-->>>>
>>------>>>
>>>-->>--->>>>>
>->->->>-->>>>
>->->-->>->->>>
>>->>>>-->->>>>
>>>-->>->--->>>
>->->>>>>->>>>
>>-->->>...

output:

Yes 7
9 5
8 5
7 5
6 5
5 5
1 5
2 7
Yes 6
1 5
3 5
4 5
6 5
8 6
11 5
Yes 4
1 5
2 7
6 5
7 7
Yes 9
11 5
10 5
9 5
8 5
7 5
1 5
2 5
4 5
6 5
Yes 3
1 5
3 8
8 5
Yes 6
11 5
1 5
3 5
4 5
6 5
7 8
Yes 9
9 5
1 5
2 5
3 5
4 5
5 5
6 5
7 5
8 5
Yes 7
1 5
3 5
4 5
5 7
9 5
10 5
11 5
Yes 8
11 5
10 5
9 5
1 5
3 5
4 5
6 5
7 6
Ye...

result:

ok ok (4032 test cases)

Test #4:

score: 0
Accepted
time: 7ms
memory: 34916kb

input:

10000
>>>>->->>->>->>>>
>->-->>->>->>>>>>
>->->>-->--->>>>>
>---->-->->>>>>>>
>->-->>--->>->>>>
>->>->>>>>>-->>>
>>--->->-->>->>>
>-->---->>>->>>
>->----->->->>>>>
>>--->---->-->>>>
>>-->->->--->>>
>----->>-->>->>>>
>-->->->>>>>->>>>
>>->>---->-->>>
>>->>-->>>-->>>
>------>->>>->>>>
>->->-->->>>->>>...

output:

Yes 10
13 5
1 5
2 5
3 5
4 5
6 5
8 5
9 5
11 5
12 5
Yes 9
13 5
12 5
11 5
1 5
3 6
6 5
7 5
9 5
10 5
Yes 7
13 5
12 5
1 5
3 5
5 5
6 6
9 7
Yes 7
13 5
12 5
11 5
10 5
1 8
6 6
9 5
Yes 7
13 5
1 5
3 6
6 5
7 7
11 5
12 5
Yes 9
1 5
3 5
4 5
6 5
7 5
8 5
9 5
10 5
11 6
Yes 6
1 5
2 7
6 5
8 6
11 5
12 5
Yes 5
1 6
4 8
9 5...

result:

ok ok (10000 test cases)

Test #5:

score: 0
Accepted
time: 12ms
memory: 35084kb

input:

10000
>>>-->>>>-->---->->->-->>>
>>-->>>>->-->>->>>
>->-->--->--->->-->>--->>->->>-->->->>>>>>->>>>----->->--->>----->>-->>>----->->->>>--->>->>-->->->->---->>->>>-->>->->>>->->>>>->>->->>-->>>->>->>-->>>>-->>-->>>->>->->>>--->>>-->>>--->>->->>>>>->->---->>>>->>>
->->>>>--->>>>>>->>>->>>>->->-->-->>...

output:

Yes 11
1 5
2 5
3 6
6 5
7 5
8 5
9 6
12 8
17 5
19 5
21 6
Yes 9
1 5
2 6
5 5
6 5
7 5
8 5
10 6
13 5
14 5
Yes 110
1 5
3 6
6 7
10 7
14 5
16 6
19 5
20 7
24 5
25 5
27 5
29 5
30 6
33 5
35 5
37 5
38 5
39 5
40 5
41 5
42 5
44 5
45 5
46 5
47 9
53 5
55 7
59 5
60 9
66 5
67 6
70 5
71 5
72 9
78 5
80 5
82 5
83 5
84 7
...

result:

ok ok (10000 test cases)

Test #6:

score: 0
Accepted
time: 17ms
memory: 34900kb

input:

9999
->->--->>>>->->--->>--
->>>--->>>-->>--->>---
-->>>>>>>-
>>>->>>>>>>--
>>-->-->->----->->>>>->>->---->->
>-->->>>--->->->>->->-
>->--->--->>>>->>>----->------>>-->->>>
>>->>>->>>---->>>->>>>>>>>>->--->>->>>>>-->>>->->->>-->->--->->-->->>->->->>-->-->>>>>>>>--->>--->->>>-->->----->>-->->>--->-->...

output:

No
No
No
No
No
No
Yes 14
1 5
3 7
7 7
11 5
12 5
13 5
14 5
16 5
17 5
18 9
24 10
31 5
32 6
35 5
Yes 69
1 5
2 5
4 5
5 5
6 5
8 5
9 5
10 8
15 5
16 5
17 5
19 5
20 5
21 5
22 5
23 5
24 5
25 5
26 5
27 5
29 7
33 5
34 5
36 5
37 5
38 5
39 5
40 6
43 5
44 5
45 5
47 5
49 5
51 5
52 6
55 5
57 7
61 5
63 6
66 5
68 5
69...

result:

ok ok (9999 test cases)

Test #7:

score: 0
Accepted
time: 9ms
memory: 34988kb

input:

5
>-->>>>>--->->->>->>>>>->->-->-->->>>-->->--->>>------>->>-->>>------->>---->-->>>>>>-->>--->>-->->->>>>->-->------>>->>>>->>>-->---->--->>-->-->->--->->->->->>->-->->--->>>>->>->--->->>-->>>>>>->>>>->>--->->>-->>->->---->>>->->>->>->--->->->-->->>->->-->->------>>>->>>>>->>-->>->>>->>>>>----->---...

output:

No
No
Yes 48171
1 5
2 5
3 5
5 5
6 5
7 5
9 5
10 5
12 8
17 5
18 5
19 5
20 5
22 5
23 5
24 5
26 5
27 5
28 5
30 6
33 5
34 5
36 5
37 5
39 5
40 5
41 5
42 5
44 5
45 5
46 5
47 7
51 6
54 9
60 5
61 5
62 5
63 5
64 5
66 5
67 5
68 6
71 5
72 5
73 5
75 5
76 5
77 7
81 5
82 5
83 7
87 5
88 6
91 5
93 5
94 8
99 5
100 8
...

result:

ok ok (5 test cases)

Test #8:

score: 0
Accepted
time: 16ms
memory: 34944kb

input:

5
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>...

output:

No
Yes 99996
99996 5
1 5
2 5
3 5
4 5
5 5
6 5
7 5
8 5
9 5
10 5
11 5
12 5
13 5
14 5
15 5
16 5
17 5
18 5
19 5
20 5
21 5
22 5
23 5
24 5
25 5
26 5
27 5
28 5
29 5
30 5
31 5
32 5
33 5
34 5
35 5
36 5
37 5
38 5
39 5
40 5
41 5
42 5
43 5
44 5
45 5
46 5
47 5
48 5
49 5
50 5
51 5
52 5
53 5
54 5
55 5
56 5
57 5
58 ...

result:

ok ok (5 test cases)

Test #9:

score: 0
Accepted
time: 19ms
memory: 35000kb

input:

20
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>...

output:

Yes 24994
24996 5
24995 5
24994 5
24993 5
24992 5
24991 5
24990 5
24989 5
24988 5
24987 5
24986 5
24985 5
24984 5
24983 5
24982 5
24981 5
24980 5
24979 5
24978 5
24977 5
24976 5
24975 5
24974 5
24973 5
24972 5
24971 5
24970 5
24969 5
24968 5
24967 5
24966 5
24965 5
24964 5
24963 5
24962 5
24961 5
24...

result:

ok ok (20 test cases)

Test #10:

score: 0
Accepted
time: 20ms
memory: 35200kb

input:

20
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>...

output:

Yes 24996
24996 5
24995 5
24994 5
24993 5
24992 5
24991 5
24990 5
24989 5
24988 5
24987 5
24986 5
24985 5
24984 5
24983 5
24982 5
24981 5
24980 5
24979 5
24978 5
24977 5
24976 5
24975 5
24974 5
24973 5
24972 5
24971 5
24970 5
24969 5
24968 5
24967 5
24966 5
24965 5
24964 5
24963 5
24962 5
24961 5
24...

result:

ok ok (20 test cases)

Extra Test:

score: 0
Extra Test Passed