QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#413360 | #6749. Target | Yt_pY | AC ✓ | 47ms | 3852kb | C++14 | 942b | 2024-05-17 13:59:58 | 2024-05-17 13:59:58 |
Judging History
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