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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 |
---|---|---|---|---|---|---|---|---|---|
#160754 | #7109. Traveling on the Axis | ucup-team197# | AC ✓ | 8ms | 3892kb | C++14 | 827b | 2023-09-02 21:18:51 | 2023-09-02 21:18:52 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define fi first
#define se second
const ll mod=998244353;
const int N=2e6+1;
typedef pair<ll,int> pli;
int n;
string s;
void solve(){
cin >> s;n=s.size();s='?'+s;
ll tot=0;
ll guys=0;
ll ans=0;
for(int i=1; i<=n ;i++){
if(i%2==0) s[i]^=1;
if(i>1 && s[i-1]!=s[i]){
tot+=guys;
}
if(s[i]=='0' && i%2==1) tot++;
if(i%2==1) guys++;
ans+=tot;
}
for(int i=1; i<=n ;i++) s[i]^=1;
tot=0;guys=0;
for(int i=1; i<=n ;i++){
if(i>1 && s[i-1]!=s[i]){
tot+=guys;
}
if(s[i]=='0' && i%2==0) tot++;
if(i%2==0) guys++;
ans+=tot;
}
for(int i=1; i<=n ;i++){
ans=ans+1LL*i*(n+1-i);
}
cout << ans << '\n';
}
int main(){
ios::sync_with_stdio(false);cin.tie(0);
int t;cin >> t;while(t--) solve();
}
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: 3840kb
input:
3 101 011 11010
output:
12 15 43
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 8ms
memory: 3892kb
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