| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 609254 |
2022-07-27T13:02:16 Z |
Icebear16 |
Match (CEOI16_match) |
C++14 |
|
1 ms |
212 KB |
#include <bits/stdc++.h>
using namespace std;
typedef unsigned long long ll;
#define INF 1e18//change to const int INF=1e18 if causing problem
const ll MOD=998244353;
const ll alt=1e10;
const ll inf=1e9+7;//Precalc is not a bad idea
//#define int ll
#define pb push_back
#define pf push_front
#define mp make_pair
#define fi first
#define se second
#define mod(a) (a+inf)%inf
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define sz(a) a.size()
//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
int main(){
string s,c="";
cin>>s;
vector<int> v[26];
vector<int> p(26,0);
vector<int> cnt(26,0);
vector<int> a(sz(s),0);
for(int i=0;i<sz(s);i++){
a[i]=cnt[int(s[i])-'a']+1;
cnt[int(s[i])-'a']+=1;
v[int(s[i])-'a'].pb(i);
c+='0';
}
// vector<int> m(sz(s),0);
for(int i=0;i<sz(s);i++){
p[int(s[i]-'a')]++;
int k=0;
if(c[i]=='0'){
set<int> l;
l.clear();
for(int j=i+1;j<sz(s);j++){
if(s[j]!=s[i]){
if((a[j]-p[int(s[j])-'a'])%2==0){
l.erase(int(s[j]-'a'));
}else{
l.insert(int(s[j]-'a'));
}
}
if(s[j]==s[i] and c[j]=='0' and (i+j)%2==1 and (a[i]+a[j])%2==1 and sz(l)==0){
k=j;
}
if(c[j]==')' or j==sz(s)-1){
c[i]='(';
c[k]=')';
break;
}
}
}
}
bool flag=true;
for(int i=0;i<sz(s);i++){
if(c[i]=='0'){
flag=false;
break;
}
}
if(flag==false){
for(int i=0;i<26;i++){
vector<int> m(sz(v[i]),0);
int j=0;
while(j<sz(v[i])){
if(m[j]==0){
for(int k=sz(v[i])-1;k>j;k--){
if(m[k]==0 and (v[i][j]+v[i][k])%2==1 and (a[v[i][j]]+a[v[i][k]])%2==1){
m[j]=1,m[k]=1;
c[v[i][j]]='(';
c[v[i][k]]=')';
break;
}
}
}
j++;
}
}
for(int i=0;i<sz(c);i++){
if(c[i]=='0'){
flag=false;
break;
}
}
}
// cout<<c<<endl;
if(c[0]=='(' and flag==true) cout<<c<<endl;
else cout<<-1<<endl;
// main();
return 0;
}
//Icebear
Compilation message
match.cpp: In function 'int main()':
match.cpp:30:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
30 | for(int i=0;i<sz(s);i++){
| ^
match.cpp:37:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
37 | for(int i=0;i<sz(s);i++){
| ^
match.cpp:43:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
43 | for(int j=i+1;j<sz(s);j++){
| ^
match.cpp:54:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
54 | if(c[j]==')' or j==sz(s)-1){
| ~^~~~~~~~~
match.cpp:63:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
63 | for(int i=0;i<sz(s);i++){
| ^
match.cpp:73:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
73 | while(j<sz(v[i])){
| ^
match.cpp:87:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
87 | for(int i=0;i<sz(c);i++){
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
