QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#367778 | #6749. Target | 1677118046# | AC ✓ | 1ms | 3964kb | C++17 | 799b | 2024-03-26 13:46:56 | 2024-03-26 13:46:57 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
deque<int>XX;//表示当前存放的是哪个操作
double a,b;
vector<double>nuu;
double get(int nu){
while(!XX.empty())XX.pop_front();
double ss[55];
ss[0]=1;
for(int i=1;i<=nu;i++){
ss[i]=ss[i-1]*0.5;
}
nuu.clear();
for(int i=0;i<nu;i++){
nuu.push_back(ss[i]*0.5);
}
double c=a*ss[nu];
for(auto ii:nuu){
if(c+ii<=b){
c+=ii;
XX.push_front(2);
}else{
XX.push_front(1);
}
}
return c;
}
void solve(){
cin>>a>>b;
for(int i=0;i<=50;i++){//枚举总共的操作步数
if(fabs(get(i)-b)<=0.0001){
break;
}
}
while(!XX.empty()){
cout<<XX.front();
XX.pop_front();
}
}
int main(){
ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
solve();
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3696kb
input:
0.5 0.25
output:
1
result:
ok ok
Test #2:
score: 0
Accepted
time: 0ms
memory: 3700kb
input:
1 0.75
output:
12
result:
ok ok
Test #3:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
1 0
output:
11111111111111
result:
ok ok
Test #4:
score: 0
Accepted
time: 0ms
memory: 3736kb
input:
0.361954 0.578805
output:
21111212112
result:
ok ok
Test #5:
score: 0
Accepted
time: 0ms
memory: 3724kb
input:
0.144888 0.140086
output:
2212222111211
result:
ok ok
Test #6:
score: 0
Accepted
time: 0ms
memory: 3736kb
input:
0.514397 0.969399
output:
121111122222
result:
ok ok
Test #7:
score: 0
Accepted
time: 1ms
memory: 3908kb
input:
0.887873 0.402213
output:
212211221
result:
ok ok
Test #8:
score: 0
Accepted
time: 0ms
memory: 3784kb
input:
0.152004 0.176414
output:
21221211
result:
ok ok
Test #9:
score: 0
Accepted
time: 0ms
memory: 3692kb
input:
0.401831 0.860762
output:
2111222122
result:
ok ok
Test #10:
score: 0
Accepted
time: 0ms
memory: 3720kb
input:
0.580629 0.869474
output:
12222122
result:
ok ok
Test #11:
score: 0
Accepted
time: 1ms
memory: 3784kb
input:
0.138673 0.508844
output:
112112111112
result:
ok ok
Test #12:
score: 0
Accepted
time: 0ms
memory: 3736kb
input:
0.027182 0.263243
output:
22122111121
result:
ok ok
Test #13:
score: 0
Accepted
time: 0ms
memory: 3964kb
input:
0.081714 0.212216
output:
212112212211
result:
ok ok
Test #14:
score: 0
Accepted
time: 1ms
memory: 3912kb
input:
0.562775 0.388603
output:
222122111221
result:
ok ok
Test #15:
score: 0
Accepted
time: 0ms
memory: 3756kb
input:
0.112949 0.147503
output:
112221211211
result:
ok ok
Test #16:
score: 0
Accepted
time: 0ms
memory: 3764kb
input:
0.800247 0.150903
output:
211212211211
result:
ok ok
Test #17:
score: 0
Accepted
time: 0ms
memory: 3804kb
input:
0.300103 0.584619
output:
221212112
result:
ok ok
Test #18:
score: 0
Accepted
time: 0ms
memory: 3804kb
input:
0.844720 0.070148
output:
2122221112111
result:
ok ok
Test #19:
score: 0
Accepted
time: 0ms
memory: 3756kb
input:
0.573320 0.123035
output:
222122222111
result:
ok ok
Test #20:
score: 0
Accepted
time: 1ms
memory: 3720kb
input:
0.467281 0.231366
output:
221122122211
result:
ok ok
Test #21:
score: 0
Accepted
time: 0ms
memory: 3788kb
input:
0.264769 0.373434
output:
211222222121
result:
ok ok
Test #22:
score: 0
Accepted
time: 0ms
memory: 3716kb
input:
0.689729 0.570712
output:
11112112112
result:
ok ok
Test #23:
score: 0
Accepted
time: 0ms
memory: 3744kb
input:
0.747218 0.312573
output:
11111111112121
result:
ok ok
Test #24:
score: 0
Accepted
time: 0ms
memory: 3764kb
input:
0.215052 0.203677
output:
121111212211
result:
ok ok
Test #25:
score: 0
Accepted
time: 0ms
memory: 3916kb
input:
0.607834 0.733102
output:
1222122212
result:
ok ok
Test #26:
score: 0
Accepted
time: 0ms
memory: 3684kb
input:
0.516860 0.252876
output:
221211111121
result:
ok ok
Test #27:
score: 0
Accepted
time: 0ms
memory: 3732kb
input:
0.955285 0.457773
output:
121121212221
result:
ok ok
Test #28:
score: 0
Accepted
time: 0ms
memory: 3792kb
input:
0.156178 0.353262
output:
2122112122121
result:
ok ok
Test #29:
score: 0
Accepted
time: 0ms
memory: 3740kb
input:
0.398701 0.040258
output:
12112121111
result:
ok ok
Test #30:
score: 0
Accepted
time: 0ms
memory: 3708kb
input:
0.973859 0.000184
output:
111111111111
result:
ok ok
Test #31:
score: 0
Accepted
time: 0ms
memory: 3948kb
input:
0.882213 0.556709
output:
222112221112
result:
ok ok
Test #32:
score: 0
Accepted
time: 0ms
memory: 3732kb
input:
0.263822 0.460984
output:
1111112212221
result:
ok ok
Test #33:
score: 0
Accepted
time: 0ms
memory: 3760kb
input:
0.443432 0.034841
output:
122211121111
result:
ok ok