Submission #3433986
Source Code Expand
#include<bits/stdc++.h> using namespace std; int main(){ string s;cin>>s; vector<pair<string,int> > p; for(int i=0;i<s.size();i++){ if(s[i]!='x'){ p.push_back(make_pair(s.substr(i,1),i)); } } int l=p.size(); if(l==0){ cout<<0<<endl; return 0; } if(l%2==1){ for(int i=0;i<(l-1)/2;i++){ if(p[i].first!=p[l-i-1].first){ cout<<-1<<endl; return 0; } } int m=p[(l-1)/2].second; int f=0,sec=0; vector<int>fi={},se={}; for(int i=0;i<=m;i++){ if(s[i]=='x'){ f++; } else{ fi.push_back(f); f=0; } } for(int i=s.size()-1;i>=m;i--){ if(s[i]=='x'){ sec++; } else{ se.push_back(sec); sec=0; } } int ans=0; for(int i=0;i<fi.size();i++){ ans+=abs(fi[i]-se[i]); } cout<<ans<<endl; } else if(l%2==0){ for(int i=0;i<l/2;i++){ if(p[i].first!=p[l-i-1].first){ cout<<-1<<endl; return 0; } } int m=p[l/2-1].second; int f=0,sec=0; vector<int>fi={},se={}; for(int i=0;i<=m;i++){ if(s[i]=='x'){ f++; } else{ fi.push_back(f); f=0; } } for(int i=s.size()-1;i>=s.size()-m-1;i--){ if(s[i]=='x'){ sec++; } else{ se.push_back(sec); sec=0; } } int ans=0; for(int i=0;i<fi.size();i++){ ans+=abs(fi[i]-se[i]); } cout<<ans<<endl; } }
Submission Info
Submission Time | |
---|---|
Task | C - Inserting 'x' |
User | ttttan |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1597 Byte |
Status | WA |
Exec Time | 14 ms |
Memory | 7284 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 400 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 1 ms | 256 KB |
0_01.txt | AC | 1 ms | 256 KB |
0_02.txt | AC | 1 ms | 256 KB |
0_03.txt | AC | 1 ms | 256 KB |
1_00.txt | AC | 1 ms | 256 KB |
1_01.txt | AC | 1 ms | 256 KB |
1_02.txt | AC | 1 ms | 256 KB |
1_03.txt | AC | 1 ms | 256 KB |
1_04.txt | AC | 1 ms | 256 KB |
1_05.txt | AC | 1 ms | 256 KB |
1_06.txt | AC | 14 ms | 7284 KB |
1_07.txt | AC | 4 ms | 512 KB |
1_08.txt | AC | 14 ms | 7284 KB |
1_09.txt | AC | 4 ms | 512 KB |
1_10.txt | AC | 5 ms | 512 KB |
1_11.txt | AC | 5 ms | 512 KB |
1_12.txt | AC | 11 ms | 5496 KB |
1_13.txt | AC | 4 ms | 512 KB |
1_14.txt | AC | 4 ms | 512 KB |
1_15.txt | AC | 5 ms | 512 KB |
1_16.txt | AC | 4 ms | 512 KB |
1_17.txt | AC | 5 ms | 512 KB |
1_18.txt | AC | 4 ms | 512 KB |
1_19.txt | AC | 5 ms | 512 KB |
1_20.txt | AC | 4 ms | 512 KB |
1_21.txt | WA | 7 ms | 2044 KB |
1_22.txt | AC | 7 ms | 1916 KB |
1_23.txt | AC | 8 ms | 2940 KB |
1_24.txt | AC | 8 ms | 2940 KB |
1_25.txt | AC | 10 ms | 3832 KB |
1_26.txt | AC | 9 ms | 3320 KB |
1_27.txt | AC | 14 ms | 7156 KB |
1_28.txt | AC | 13 ms | 6516 KB |