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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#418701#6749. TargetAndeviking#AC ✓1ms4012kbC++201.0kb2024-05-23 15:12:512024-05-23 15:12:52

Judging History

你现在查看的是最新测评结果

  • [2024-05-23 15:12:52]
  • 评测
  • 测评结果:AC
  • 用时:1ms
  • 内存:4012kb
  • [2024-05-23 15:12:51]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
#define range(x) (x).begin(),(x).end()
const int dir[][2]={1,0,-1,0,0,1,0,-1};

void solve()
{
    long double a,b;
    cin>>a>>b;
    string ans;
    for(int i=1;i<=20;++i)
        ans+="1";

    long double now=0;
    long double use=0.5;
    string temp;
    while(fabs(now-b)>1E-4L){
        while(use+now-b>1E-4L){
            use/=2;
            temp+="1";
        }
        now+=use;
        temp+="2";
        use/=2;
    }

    reverse(range(temp));
    string res=ans+temp;
    assert(res.size()<=50);

    now=a;
    for(const auto& c:res){
        if(c=='1')
            now/=2;
        else
            now=now/2+.5L;
    }
    // cout<<now<<'\n';
    assert(fabs(now-b)<=1E-4L);
    cout<<ans+temp<<'\n';
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    int t = 1;
    // cin >> t;
    while (t--)
        solve();
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3776kb

input:

0.5 0.25

output:

1111111111111111111121

result:

ok ok

Test #2:

score: 0
Accepted
time: 0ms
memory: 3944kb

input:

1 0.75

output:

1111111111111111111122

result:

ok ok

Test #3:

score: 0
Accepted
time: 0ms
memory: 3844kb

input:

1 0

output:

11111111111111111111

result:

ok ok

Test #4:

score: 0
Accepted
time: 0ms
memory: 4012kb

input:

0.361954 0.578805

output:

11111111111111111111221111212112

result:

ok ok

Test #5:

score: 0
Accepted
time: 0ms
memory: 3780kb

input:

0.144888 0.140086

output:

1111111111111111111122222111211

result:

ok ok

Test #6:

score: 0
Accepted
time: 1ms
memory: 3776kb

input:

0.514397 0.969399

output:

11111111111111111111221111122222

result:

ok ok

Test #7:

score: 0
Accepted
time: 0ms
memory: 3780kb

input:

0.887873 0.402213

output:

111111111111111111112222212211221

result:

ok ok

Test #8:

score: 0
Accepted
time: 0ms
memory: 3776kb

input:

0.152004 0.176414

output:

11111111111111111111221121221211

result:

ok ok

Test #9:

score: 0
Accepted
time: 0ms
memory: 3776kb

input:

0.401831 0.860762

output:

1111111111111111111122111222122

result:

ok ok

Test #10:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

0.580629 0.869474

output:

11111111111111111111211212222122

result:

ok ok

Test #11:

score: 0
Accepted
time: 1ms
memory: 3784kb

input:

0.138673 0.508844

output:

111111111111111111112112111112

result:

ok ok

Test #12:

score: 0
Accepted
time: 0ms
memory: 3776kb

input:

0.027182 0.263243

output:

1111111111111111111122122111121

result:

ok ok

Test #13:

score: 0
Accepted
time: 0ms
memory: 3944kb

input:

0.081714 0.212216

output:

11111111111111111111212112212211

result:

ok ok

Test #14:

score: 0
Accepted
time: 0ms
memory: 3776kb

input:

0.562775 0.388603

output:

11111111111111111111222111221

result:

ok ok

Test #15:

score: 0
Accepted
time: 0ms
memory: 3852kb

input:

0.112949 0.147503

output:

111111111111111111112221211211

result:

ok ok

Test #16:

score: 0
Accepted
time: 0ms
memory: 3852kb

input:

0.800247 0.150903

output:

1111111111111111111121212211211

result:

ok ok

Test #17:

score: 0
Accepted
time: 0ms
memory: 3776kb

input:

0.300103 0.584619

output:

11111111111111111111221221212112

result:

ok ok

Test #18:

score: 0
Accepted
time: 0ms
memory: 3848kb

input:

0.844720 0.070148

output:

11111111111111111111222221112111

result:

ok ok

Test #19:

score: 0
Accepted
time: 0ms
memory: 3732kb

input:

0.573320 0.123035

output:

11111111111111111111222222111

result:

ok ok

Test #20:

score: 0
Accepted
time: 0ms
memory: 3940kb

input:

0.467281 0.231366

output:

111111111111111111112122122211

result:

ok ok

Test #21:

score: 0
Accepted
time: 0ms
memory: 3980kb

input:

0.264769 0.373434

output:

111111111111111111112211222222121

result:

ok ok

Test #22:

score: 0
Accepted
time: 0ms
memory: 3784kb

input:

0.689729 0.570712

output:

1111111111111111111121112112112

result:

ok ok

Test #23:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

0.747218 0.312573

output:

111111111111111111112121

result:

ok ok

Test #24:

score: 0
Accepted
time: 0ms
memory: 3772kb

input:

0.215052 0.203677

output:

1111111111111111111121111212211

result:

ok ok

Test #25:

score: 0
Accepted
time: 0ms
memory: 3776kb

input:

0.607834 0.733102

output:

11111111111111111111221222122212

result:

ok ok

Test #26:

score: 0
Accepted
time: 0ms
memory: 4012kb

input:

0.516860 0.252876

output:

111111111111111111112211111121

result:

ok ok

Test #27:

score: 0
Accepted
time: 0ms
memory: 3776kb

input:

0.955285 0.457773

output:

11111111111111111111221121212221

result:

ok ok

Test #28:

score: 0
Accepted
time: 0ms
memory: 3840kb

input:

0.156178 0.353262

output:

11111111111111111111222112122121

result:

ok ok

Test #29:

score: 0
Accepted
time: 0ms
memory: 4012kb

input:

0.398701 0.040258

output:

11111111111111111111212112121111

result:

ok ok

Test #30:

score: 0
Accepted
time: 0ms
memory: 3832kb

input:

0.973859 0.000184

output:

11111111111111111111211111111111

result:

ok ok

Test #31:

score: 0
Accepted
time: 0ms
memory: 3976kb

input:

0.882213 0.556709

output:

11111111111111111111212221112

result:

ok ok

Test #32:

score: 0
Accepted
time: 0ms
memory: 3776kb

input:

0.263822 0.460984

output:

111111111111111111112212221

result:

ok ok

Test #33:

score: 0
Accepted
time: 0ms
memory: 3724kb

input:

0.443432 0.034841

output:

11111111111111111111222211121111

result:

ok ok