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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#413360#6749. TargetYt_pYAC ✓47ms3852kbC++14942b2024-05-17 13:59:582024-05-17 13:59:58

Judging History

你现在查看的是最新测评结果

  • [2024-05-17 13:59:58]
  • 评测
  • 测评结果:AC
  • 用时:47ms
  • 内存:3852kb
  • [2024-05-17 13:59:58]
  • 提交

answer

#include<bits/stdc++.h>
#define db double
using namespace std;
db a,b;
int ans[100],tot;
bool dfs(db x,int cur)
{
    if(cur>50)return false;
    if(fabs(x-a)<=1e-6)return true;
    if(x<0.5){
        if(dfs(2*x,cur+1)){
            ans[++tot]=1;
            return true;
        }
    }
    else if(x>0.5){
        if(dfs(2*x-1,cur+1)){
            ans[++tot]=2;
            return true;
        }
    }
    else{
        if(dfs(2*x,cur+1)){
            ans[++tot]=1;
            return true;
        }
        if(dfs(2*x-1,cur+1)){
            ans[++tot]=2;
            return true;
        }
    }
    return false;
}
int main()
{
    cin>>a>>b;
    db minb=max((db)0,b-0.0001),maxb=min((db)1,b+0.0001);
    for(db x=minb;x<=maxb;x+=1e-9){
        tot=0;
        if(dfs(x,0)){
            for(int i=1;i<=tot;i++)
                cout<<ans[i];
            break;
        }
    }
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3788kb

input:

0.5 0.25

output:

2111121212111121221121221121122212112222222222211

result:

ok ok

Test #2:

score: 0
Accepted
time: 0ms
memory: 3660kb

input:

1 0.75

output:

12121211211212111121111221121122212112222222222212

result:

ok ok

Test #3:

score: 0
Accepted
time: 47ms
memory: 3816kb

input:

1 0

output:

11212211222112212111211212221212111221111111111111

result:

ok ok

Test #4:

score: 0
Accepted
time: 3ms
memory: 3732kb

input:

0.361954 0.578805

output:

121111212111222111221221121111212112

result:

ok ok

Test #5:

score: 0
Accepted
time: 4ms
memory: 3800kb

input:

0.144888 0.140086

output:

22121121121221212222111211

result:

ok ok

Test #6:

score: 0
Accepted
time: 15ms
memory: 3792kb

input:

0.514397 0.969399

output:

1222111211112222121121111122222

result:

ok ok

Test #7:

score: 0
Accepted
time: 2ms
memory: 3732kb

input:

0.887873 0.402213

output:

1222112112211211112111222212211221

result:

ok ok

Test #8:

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

input:

0.152004 0.176414

output:

22111212212221211121121221211

result:

ok ok

Test #9:

score: 0
Accepted
time: 12ms
memory: 3800kb

input:

0.401831 0.860762

output:

111111111211212222121212111222122

result:

ok ok

Test #10:

score: 0
Accepted
time: 9ms
memory: 3812kb

input:

0.580629 0.869474

output:

111121221111211212222122

result:

ok ok

Test #11:

score: 0
Accepted
time: 19ms
memory: 3724kb

input:

0.138673 0.508844

output:

122111122222221112111112

result:

ok ok

Test #12:

score: 0
Accepted
time: 9ms
memory: 3812kb

input:

0.027182 0.263243

output:

221111121222212122111121

result:

ok ok

Test #13:

score: 0
Accepted
time: 3ms
memory: 3664kb

input:

0.081714 0.212216

output:

122211221112121211122122112112212211

result:

ok ok

Test #14:

score: 0
Accepted
time: 1ms
memory: 3728kb

input:

0.562775 0.388603

output:

112112212121122122211112121222122111221

result:

ok ok

Test #15:

score: 0
Accepted
time: 7ms
memory: 3728kb

input:

0.112949 0.147503

output:

112122221221211211

result:

ok ok

Test #16:

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

input:

0.800247 0.150903

output:

212211122111121111212212211212211211

result:

ok ok

Test #17:

score: 0
Accepted
time: 3ms
memory: 3744kb

input:

0.300103 0.584619

output:

222211122222121221212211121221212112

result:

ok ok

Test #18:

score: 0
Accepted
time: 9ms
memory: 3772kb

input:

0.844720 0.070148

output:

2222122221112111

result:

ok ok

Test #19:

score: 0
Accepted
time: 4ms
memory: 3788kb

input:

0.573320 0.123035

output:

112222122222111

result:

ok ok

Test #20:

score: 0
Accepted
time: 25ms
memory: 3732kb

input:

0.467281 0.231366

output:

221122122211

result:

ok ok

Test #21:

score: 0
Accepted
time: 2ms
memory: 3852kb

input:

0.264769 0.373434

output:

1112211211222222121

result:

ok ok

Test #22:

score: 0
Accepted
time: 3ms
memory: 3748kb

input:

0.689729 0.570712

output:

11121211112112112

result:

ok ok

Test #23:

score: 0
Accepted
time: 28ms
memory: 3796kb

input:

0.747218 0.312573

output:

22111111111112121

result:

ok ok

Test #24:

score: 0
Accepted
time: 19ms
memory: 3736kb

input:

0.215052 0.203677

output:

121111121111212211

result:

ok ok

Test #25:

score: 0
Accepted
time: 7ms
memory: 3780kb

input:

0.607834 0.733102

output:

1222122212

result:

ok ok

Test #26:

score: 0
Accepted
time: 3ms
memory: 3748kb

input:

0.516860 0.252876

output:

2112121221221211111121

result:

ok ok

Test #27:

score: 0
Accepted
time: 30ms
memory: 3728kb

input:

0.955285 0.457773

output:

2122121121212221

result:

ok ok

Test #28:

score: 0
Accepted
time: 4ms
memory: 3800kb

input:

0.156178 0.353262

output:

211111211212112122112122121

result:

ok ok

Test #29:

score: 0
Accepted
time: 22ms
memory: 3816kb

input:

0.398701 0.040258

output:

1211211121121212112112121111

result:

ok ok

Test #30:

score: 0
Accepted
time: 4ms
memory: 3848kb

input:

0.973859 0.000184

output:

121111111111111

result:

ok ok

Test #31:

score: 0
Accepted
time: 6ms
memory: 3744kb

input:

0.882213 0.556709

output:

22212111111221121121222222112221112

result:

ok ok

Test #32:

score: 0
Accepted
time: 4ms
memory: 3748kb

input:

0.263822 0.460984

output:

21121122221122222221212221

result:

ok ok

Test #33:

score: 0
Accepted
time: 4ms
memory: 3816kb

input:

0.443432 0.034841

output:

222112121122211121111

result:

ok ok