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 |
---|---|---|---|---|---|---|---|---|---|
#198550 | #6749. Target | JJBOOM | AC ✓ | 0ms | 3988kb | C++14 | 984b | 2023-10-03 14:44:26 | 2023-10-03 14:44:28 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
double a, b;
long long power(int a, int b) {
long long ans = 1;
for (; b; b >>= 1, a = 1LL * a * a) {
if (b & 1) {
ans *= a;
}
}
return ans;
}
int main(){
cin.tie(nullptr)->sync_with_stdio(false);
cin >> a >> b;
for (int i = 0; i <= 50; i++) {
long long now = power(2, i);
double c = a / now;
double d = b - c;
// cout << c << " " << d << " " << now << "\n";
if (abs(d) <= 1e-4) {
string ans = string(i, '1');
cout << ans << "\n";
break;
}
if (d < 0) {
continue;
}
long long cur = d * now;
d = 1.0 * cur / now;
c += d;
// cerr << c << " " << d << " " << cur << " " << b << "\n";
if (abs(b - c) <= 1e-4) {
string ans = string(i, '1');
for (int j = 0; j < i; j++) {
if (cur & 1) {
ans[j]++;
}
cur /= 2;
}
// reverse(ans.begin(), ans.end());
cout << ans << "\n";
break;
}
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3752kb
input:
0.5 0.25
output:
1
result:
ok ok
Test #2:
score: 0
Accepted
time: 0ms
memory: 3944kb
input:
1 0.75
output:
12
result:
ok ok
Test #3:
score: 0
Accepted
time: 0ms
memory: 3844kb
input:
1 0
output:
11111111111111
result:
ok ok
Test #4:
score: 0
Accepted
time: 0ms
memory: 3976kb
input:
0.361954 0.578805
output:
21111212112
result:
ok ok
Test #5:
score: 0
Accepted
time: 0ms
memory: 3908kb
input:
0.144888 0.140086
output:
2212222111211
result:
ok ok
Test #6:
score: 0
Accepted
time: 0ms
memory: 3812kb
input:
0.514397 0.969399
output:
121111122222
result:
ok ok
Test #7:
score: 0
Accepted
time: 0ms
memory: 3784kb
input:
0.887873 0.402213
output:
212211221
result:
ok ok
Test #8:
score: 0
Accepted
time: 0ms
memory: 3816kb
input:
0.152004 0.176414
output:
21221211
result:
ok ok
Test #9:
score: 0
Accepted
time: 0ms
memory: 3784kb
input:
0.401831 0.860762
output:
2111222122
result:
ok ok
Test #10:
score: 0
Accepted
time: 0ms
memory: 3912kb
input:
0.580629 0.869474
output:
12222122
result:
ok ok
Test #11:
score: 0
Accepted
time: 0ms
memory: 3748kb
input:
0.138673 0.508844
output:
112112111112
result:
ok ok
Test #12:
score: 0
Accepted
time: 0ms
memory: 3808kb
input:
0.027182 0.263243
output:
22122111121
result:
ok ok
Test #13:
score: 0
Accepted
time: 0ms
memory: 3744kb
input:
0.081714 0.212216
output:
212112212211
result:
ok ok
Test #14:
score: 0
Accepted
time: 0ms
memory: 3744kb
input:
0.562775 0.388603
output:
222122111221
result:
ok ok
Test #15:
score: 0
Accepted
time: 0ms
memory: 3740kb
input:
0.112949 0.147503
output:
112221211211
result:
ok ok
Test #16:
score: 0
Accepted
time: 0ms
memory: 3748kb
input:
0.800247 0.150903
output:
211212211211
result:
ok ok
Test #17:
score: 0
Accepted
time: 0ms
memory: 3748kb
input:
0.300103 0.584619
output:
221212112
result:
ok ok
Test #18:
score: 0
Accepted
time: 0ms
memory: 3808kb
input:
0.844720 0.070148
output:
2122221112111
result:
ok ok
Test #19:
score: 0
Accepted
time: 0ms
memory: 3748kb
input:
0.573320 0.123035
output:
222122222111
result:
ok ok
Test #20:
score: 0
Accepted
time: 0ms
memory: 3940kb
input:
0.467281 0.231366
output:
221122122211
result:
ok ok
Test #21:
score: 0
Accepted
time: 0ms
memory: 3808kb
input:
0.264769 0.373434
output:
211222222121
result:
ok ok
Test #22:
score: 0
Accepted
time: 0ms
memory: 3752kb
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: 3748kb
input:
0.215052 0.203677
output:
121111212211
result:
ok ok
Test #25:
score: 0
Accepted
time: 0ms
memory: 3740kb
input:
0.607834 0.733102
output:
1222122212
result:
ok ok
Test #26:
score: 0
Accepted
time: 0ms
memory: 3748kb
input:
0.516860 0.252876
output:
221211111121
result:
ok ok
Test #27:
score: 0
Accepted
time: 0ms
memory: 3744kb
input:
0.955285 0.457773
output:
121121212221
result:
ok ok
Test #28:
score: 0
Accepted
time: 0ms
memory: 3804kb
input:
0.156178 0.353262
output:
2122112122121
result:
ok ok
Test #29:
score: 0
Accepted
time: 0ms
memory: 3772kb
input:
0.398701 0.040258
output:
12112121111
result:
ok ok
Test #30:
score: 0
Accepted
time: 0ms
memory: 3740kb
input:
0.973859 0.000184
output:
111111111111
result:
ok ok
Test #31:
score: 0
Accepted
time: 0ms
memory: 3988kb
input:
0.882213 0.556709
output:
222112221112
result:
ok ok
Test #32:
score: 0
Accepted
time: 0ms
memory: 3744kb
input:
0.263822 0.460984
output:
1111112212221
result:
ok ok
Test #33:
score: 0
Accepted
time: 0ms
memory: 3808kb
input:
0.443432 0.034841
output:
122211121111
result:
ok ok