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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
#662156#7789. Outro: True Love Waitsxiaoxiao__WA 7ms19268kbC++202.1kb2024-10-20 21:34:252024-10-20 21:34:26

Judging History

你现在查看的是最新测评结果

  • [2024-10-20 21:34:26]
  • 评测
  • 测评结果:WA
  • 用时:7ms
  • 内存:19268kb
  • [2024-10-20 21:34:25]
  • 提交

answer

#include<iostream>
#include<algorithm>
#include<set>
#include<map>
#include<vector>
#include<cmath>
#include<bitset>
#include<cstring>
#include<queue>
#define int long long 
#define fst first
#define sec second
using namespace std;
using ll=long long;
typedef pair<int,int>pii;
const int N=1e6+10;
map<string,int>mp;
const ll mod=1e9+7;
ll pw[N],pre[N];
void init(int n ){
    pw[0]=1;
    pre[0]=0;
    for(int i=1;i<=n;i++)pw[i]=pw[i-1]*4%mod;
    for(int i=1;i<=n;i++)pre[i]=(pre[i-1]+pw[i])%mod;
    //for(int i=1;i<=5;i++)cout<<s[i]<<' ';cout<<'\n';
}
void Silverwolf(){
    string s,t;
    int k;
    cin>>s>>t>>k;
    int f=0;
    if(s.length()<t.length())swap(s,t),f=1;
    reverse(s.begin(),s.end());
    reverse(t.begin(),t.end());
    while(t.length()<s.length())t.push_back('0');
    reverse(s.begin(),s.end());
    reverse(t.begin(),t.end());
    if(f)swap(s,t);
    //确保位数相等
    int n=s.length();
    for(int i=0;i<n;i++){
        s[i]=(s[i]-'0')^(t[i]-'0')+'0';
    }
    //cout<<s<<'\n';
    
    int cnt=0;
    ll ans=0;
    //算出第一次从0->s的贡献
    for(int i=n-1;i>=0;i-=2){
        string tmp="00";
        tmp[1]=s[i];
        if(i-1>=0)tmp[0]=s[i-1];
        //cout<<mp[tmp]<<' '<<s[0]<<' ';
        //cout<<s[0]<<' '<<mp[tmp]<<'\n';
        //cout<<tmp<<'\n';
        ans=(ans+pre[cnt++]*mp[tmp]%mod+mp[tmp])%mod;
        //cout<<ans<<'\n';
    }
    int flag=0;
    for(int i=n-1;i>=0;i--){
        if(s[i]=='1'){
            break;
        }
        flag++;
    }
    k--;
    if(flag<k)return cout<<-1<<'\n',void();
    ans=(ans+pre[k])%mod;
    cout<<ans<<'\n';
}
signed main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    mp["00"]=0;
    mp["01"]=1;
    mp["11"]=2;
    mp["10"]=3;
    init(1e6);
    int T;cin>>T;while(T--)
    Silverwolf();
    //愿艾利欧三度为你窥见,令你的生命永不停歇,骇入永远成功,游戏永远胜利。
    //游戏就只是为了游戏,仅此而已
    //acm这种东西,三两下搞定就好啦
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 7ms
memory: 19144kb

input:

4
1 10 1
1 10 2
100 0 2
11 11 3

output:

2
-1
9
20

result:

ok 4 number(s): "2 -1 9 20"

Test #2:

score: 0
Accepted
time: 7ms
memory: 19196kb

input:

1
0 0 1

output:

0

result:

ok 1 number(s): "0"

Test #3:

score: 0
Accepted
time: 7ms
memory: 19268kb

input:

100
110111 11111 1
10110 101101 1
11010 111111 1
100110 1 1
10010 11010 1
1100 10111 1
100100 111110 1
101110 101100 1
1011 10110 1
110100 1110 1
11010 11000 1
11110 1000 1
111000 11101 1
110 1001 1
101010 11000 1
10 111110 1
110001 101000 1
1010 1000 1
10101 11 1
111011 11010 1
110001 100000 1
1100...

output:

78
59
69
70
15
38
39
3
32
60
3
29
69
12
45
52
37
3
29
64
22
39
54
69
65
27
33
76
34
18
57
13
81
15
23
70
69
36
18
23
29
42
69
54
6
0
63
3
29
15
10
16
80
24
37
59
71
13
23
31
21
34
23
48
21
47
7
44
42
3
37
75
59
29
55
39
29
28
29
70
55
16
54
47
24
18
79
60
8
26
64
58
32
6
8
37
2
68
42
44

result:

ok 100 numbers

Test #4:

score: -100
Wrong Answer
time: 0ms
memory: 19232kb

input:

100
10011111 111 2
1011101100 1000000100 1
100011111 1001001111 1
1001100101 1100100001 1
10101000 10000100 1
1011110101 100011101 1
110100001 111011010 1
1101001100 1111101101 1
1001101 11011010 1
1101110110 1101011000 1
110011001 1100001111 2
1001111001 1011001111 1
1001110 1101110100 2
1110110100...

output:

295
248
788
431
73
930
144
319
283
76
1311
305
746
-1
86
-1
312
293
1293
433
1179
0
884
963
1215
576
-1
1132
499
811
864
949
1322
406
526
862
-1
447
1203
1238
873
-1
-1
1131
1108
438
134
359
80
740
1057
752
31
950
1093
1261
650
235
996
876
504
925
1344
450
1010
273
411
1144
1041
717
949
164
-1
11
79...

result:

wrong answer 11th numbers differ - expected: '-1', found: '1311'