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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#169415 | #7109. Traveling on the Axis | xianggui# | AC ✓ | 7ms | 3744kb | C++20 | 1.4kb | 2023-09-09 13:26:14 | 2023-09-09 13:26:22 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int T;
int n;
char s[100010];
int main()
{
cin.tie(0);
ios::sync_with_stdio(false);
cout.tie(0);
cin>>T;
while(T--)
{
cin>>s;
n=strlen(s);
ll ans=0;
ll la1=0,la2=0,lat1=0,lat2=0;
for(int i=0;i<n;i++)
{
if(i==0)
{
if(s[i]=='0') lat1=2,lat2=1;
else lat1=1,lat2=2;
la1+=lat1;
la2+=lat2;
}
else
{
if(s[i]==s[i-1]) lat1+=2,lat2+=2;
else lat1+=1,lat2+=1;
la1+=lat1;
la2+=lat2;
}
// cout<<lat1<<" "<<lat2<<endl;
}
// cout<<la1<<" "<<la2<<endl;
ans+=la1;
for(int i=0;i<n-1;i++)
{
if(s[i]=='0')
{
la1-=2*(n-i);
la2=la1;
if(s[i+1]=='1') la2+=(n-i-1);
else la2-=(n-i-1);
}
else
{
la2-=2*(n-i);
la1=la2;
if(s[i+1]=='0') la1+=(n-i-1);
else la1-=(n-i-1);
}
ans+=la1;
// cout<<la1<<" "<<la2<<endl;
}
cout<<ans<<'\n';
}
return 0;
}
/*
5
5 4
100 50
252 52
3 0
10 10
*/
这程序好像有点Bug,我给组数据试试?
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 3660kb
input:
3 101 011 11010
output:
12 15 43
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 7ms
memory: 3744kb
input:
6107 1010101 010110100110101 1010 1010101010010101010 101011 0101101011010101010 0101101011 11011010101 010 1011010 10110101010101010100 010101010110101 10101010101011 0101010101010101011 00101010011000 1010101010010110110 01010101001010101010 101010101010101 100100101010101010 01 011 0101010100101 ...
output:
96 889 24 1515 69 1567 279 345 14 106 1702 791 621 1447 764 1615 1755 736 1333 6 15 542 44 1689 1515 140 833 497 596 24 1640 694 462 30 425 14 1041 1446 96 504 124 75 560 970 771 945 6 1 321 137 786 720 206 769 46 103 225 74 554 2 100 529 260 207 197 2 197 1041 140 857 207 1 74 1604 41 343 1041 14 1...
result:
ok 6107 lines
Extra Test:
score: 0
Extra Test Passed