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 |
|---|---|---|---|---|---|---|---|---|---|
| #757591 | #9746. 平方根 | Jumping# | AC ✓ | 16ms | 5320kb | C++14 | 564b | 2024-11-17 10:59:04 | 2024-11-17 10:59:04 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
double anss=0;
const double sq2=sqrtl(2);
signed main(){
std::string s;
std::cin>>s;
int cntt=0;
for(int i=0;i<s.length();i++){
if(s[i]=='0'&&cntt){
if(cntt%2){
anss+=(cntt+1)/2;
}
else{
anss+=(cntt-1)/2;
anss+=sq2;
}cntt=0;
}else if(s[i]=='1')cntt++;
//std::cout<<anss<<' '<<cntt<<'\n';
}if(cntt){
if(cntt%2){
anss+=(cntt+1)/2;
}
else{
anss+=(cntt-1)/2;
anss+=sq2;
}cntt=0;}
printf("%.13lf",anss);
return 0;
}
//1100110111
这程序好像有点Bug，我给组数据试试？
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3668kb
input:
1100110111
output:
4.8284271247462
result:
ok found '4.828427125', expected '4.828427125', error '0.000000000'
Test #2:
score: 0
Accepted
time: 1ms
memory: 3704kb
input:
0
output:
0.0000000000000
result:
ok found '0.000000000', expected '0.000000000', error '-0.000000000'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3932kb
input:
1
output:
1.0000000000000
result:
ok found '1.000000000', expected '1.000000000', error '0.000000000'
Test #4:
score: 0
Accepted
time: 9ms
memory: 5320kb
input:
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
output:
0.0000000000000
result:
ok found '0.000000000', expected '0.000000000', error '-0.000000000'
Test #5:
score: 0
Accepted
time: 13ms
memory: 5132kb
input:
111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...
output:
500000.4142135623842
result:
ok found '500000.414213562', expected '500000.414213562', error '0.000000000'
Test #6:
score: 0
Accepted
time: 16ms
memory: 5212kb
input:
010101111011001000011101100000011110101010000110011110101010111011010011100001100000001011100111110000100101100011101101000100110100111101001100011000101000000101011101000011011001111011101101100010110110001111011001010100110011111101000010010011011101100001101001101010011011100110101001101111010101...
output:
367851.9867876115022
result:
ok found '367851.986787612', expected '367851.986787086', error '0.000000000'
Test #7:
score: 0
Accepted
time: 13ms
memory: 5080kb
input:
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
output:
299931.3137084990158
result:
ok found '299931.313708499', expected '299931.313708499', error '0.000000000'
Extra Test:
score: 0
Extra Test Passed