QOJ.ac
QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#412490 | #6749. Target | Sunlight9# | AC ✓ | 1ms | 5980kb | C++20 | 911b | 2024-05-16 15:12:21 | 2024-05-16 15:12:23 |
Judging History
answer
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int MAXN=250000;
double x,y;
int c[MAXN],tot=0,ans[MAXN];
double sum[MAXN],eps=1e-4;
inline bool check()
{
for(int i=1;i<=tot;i++)
{
if(ans[i]==1) x/=2.0;
else x=(x-1.0)*0.5+1.0;
}
if(abs(x-y)<=eps) return 1;
return 0;
}
int main() {
// cin.tie(nullptr) -> sync_with_stdio(false);
scanf("%lf%lf",&x,&y);
sum[0]=1.0;
for(int i=1;i<=15;i++) sum[i]=sum[i-1]/2.0;
double sumk=y;
for(int i=1;i<=15;i++)
{
if(sumk>=sum[i]) sumk-=sum[i],c[i]=1;
else c[i]=0;
}
for(int i=1;i<=15;i++) ans[++tot]=1;
for(int i=15;i>=1;i--)
{
if(c[i]) ans[++tot]=2;
else ans[++tot]=1;
}
for(int i=1;i<=tot;i++) cout<<ans[i];
// if(check()) cout<<"YES\n";
// else cout<<"NO\n";
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 5904kb
input:
0.5 0.25
output:
111111111111111111111111111121
result:
ok ok
Test #2:
score: 0
Accepted
time: 0ms
memory: 5884kb
input:
1 0.75
output:
111111111111111111111111111122
result:
ok ok
Test #3:
score: 0
Accepted
time: 0ms
memory: 5968kb
input:
1 0
output:
111111111111111111111111111111
result:
ok ok
Test #4:
score: 0
Accepted
time: 1ms
memory: 5800kb
input:
0.361954 0.578805
output:
111111111111111122121111212112
result:
ok ok
Test #5:
score: 0
Accepted
time: 0ms
memory: 5924kb
input:
0.144888 0.140086
output:
111111111111111122212222111211
result:
ok ok
Test #6:
score: 0
Accepted
time: 1ms
memory: 5912kb
input:
0.514397 0.969399
output:
111111111111111212121111122222
result:
ok ok
Test #7:
score: 0
Accepted
time: 1ms
memory: 5844kb
input:
0.887873 0.402213
output:
111111111111111221222212211221
result:
ok ok
Test #8:
score: 0
Accepted
time: 1ms
memory: 5936kb
input:
0.152004 0.176414
output:
111111111111111112121121221211
result:
ok ok
Test #9:
score: 0
Accepted
time: 1ms
memory: 5852kb
input:
0.401831 0.860762
output:
111111111111111212212111222122
result:
ok ok
Test #10:
score: 0
Accepted
time: 1ms
memory: 5956kb
input:
0.580629 0.869474
output:
111111111111111121211212222122
result:
ok ok
Test #11:
score: 0
Accepted
time: 1ms
memory: 5860kb
input:
0.138673 0.508844
output:
111111111111111211112112111112
result:
ok ok
Test #12:
score: 0
Accepted
time: 1ms
memory: 5864kb
input:
0.027182 0.263243
output:
111111111111111211122122111121
result:
ok ok
Test #13:
score: 0
Accepted
time: 1ms
memory: 5964kb
input:
0.081714 0.212216
output:
111111111111111211212112212211
result:
ok ok
Test #14:
score: 0
Accepted
time: 1ms
memory: 5920kb
input:
0.562775 0.388603
output:
111111111111111212222122111221
result:
ok ok
Test #15:
score: 0
Accepted
time: 1ms
memory: 5908kb
input:
0.112949 0.147503
output:
111111111111111211112221211211
result:
ok ok
Test #16:
score: 0
Accepted
time: 0ms
memory: 3860kb
input:
0.800247 0.150903
output:
111111111111111111121212211211
result:
ok ok
Test #17:
score: 0
Accepted
time: 1ms
memory: 5956kb
input:
0.300103 0.584619
output:
111111111111111112121221212112
result:
ok ok
Test #18:
score: 0
Accepted
time: 1ms
memory: 5912kb
input:
0.844720 0.070148
output:
111111111111111121222221112111
result:
ok ok
Test #19:
score: 0
Accepted
time: 0ms
memory: 5980kb
input:
0.573320 0.123035
output:
111111111111111222222122222111
result:
ok ok
Test #20:
score: 0
Accepted
time: 1ms
memory: 5912kb
input:
0.467281 0.231366
output:
111111111111111212221122122211
result:
ok ok
Test #21:
score: 0
Accepted
time: 1ms
memory: 5860kb
input:
0.264769 0.373434
output:
111111111111111112211222222121
result:
ok ok
Test #22:
score: 0
Accepted
time: 1ms
memory: 5980kb
input:
0.689729 0.570712
output:
111111111111111212211112112112
result:
ok ok
Test #23:
score: 0
Accepted
time: 0ms
memory: 5896kb
input:
0.747218 0.312573
output:
111111111111111121111111112121
result:
ok ok
Test #24:
score: 0
Accepted
time: 1ms
memory: 5920kb
input:
0.215052 0.203677
output:
111111111111111121121111212211
result:
ok ok
Test #25:
score: 0
Accepted
time: 1ms
memory: 5832kb
input:
0.607834 0.733102
output:
111111111111111122121222122212
result:
ok ok
Test #26:
score: 0
Accepted
time: 1ms
memory: 5964kb
input:
0.516860 0.252876
output:
111111111111111122221211111121
result:
ok ok
Test #27:
score: 0
Accepted
time: 1ms
memory: 5920kb
input:
0.955285 0.457773
output:
111111111111111111221121212221
result:
ok ok
Test #28:
score: 0
Accepted
time: 0ms
memory: 3796kb
input:
0.156178 0.353262
output:
111111111111111222122112122121
result:
ok ok
Test #29:
score: 0
Accepted
time: 1ms
memory: 5928kb
input:
0.398701 0.040258
output:
111111111111111222112112121111
result:
ok ok
Test #30:
score: 0
Accepted
time: 1ms
memory: 5860kb
input:
0.973859 0.000184
output:
111111111111111122111111111111
result:
ok ok
Test #31:
score: 0
Accepted
time: 1ms
memory: 5852kb
input:
0.882213 0.556709
output:
111111111111111121111212221112
result:
ok ok
Test #32:
score: 0
Accepted
time: 0ms
memory: 3792kb
input:
0.263822 0.460984
output:
111111111111111211111112212221
result:
ok ok
Test #33:
score: 0
Accepted
time: 1ms
memory: 5920kb
input:
0.443432 0.034841
output:
111111111111111212122211121111
result:
ok ok