Submission #608716

#	Time	Username	Problem	Language	Result	Execution time	Memory
608716		Icebear16	Match (CEOI16_match)	C++14	Compilation error	0 ms	0 KiB

match

#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> p[26];
	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;
		p[int(s[i])-'a'].pb(i);
		c+='0';
	}
	for(int i=0;i<26;i++){
		vector<int> m(sz(p[i]),0);
		int j=0;
		while(j<sz(p[i])){
			if(m[j]==0){
				for(int k=sz(p[i])-1;k>j;k--){
					if(m[k]==0 and (p[i][j]+p[i][k])%2==1 and (a[p[i][j]]+a[p[i][k]])%2==1){
						m[j]=1,m[k]=1;
						c[p[i][j]]='(';
						c[p[i][k]]=')';
						break;
					}
				}
			}
			j++;
		}
	}
	bool flag=true;
	for(int i=0;i<sz(c);i++){
		if(c[i]=='0'){
			flag=false;
			break;
		}
	}
	if(flag==true) cout<<c<<endl;
	else cout<<-1<<endl;
	return 0;
}
//Icebear#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> p[26];
	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;
		p[int(s[i])-'a'].pb(i);
		c+='0';
	}
	for(int i=0;i<26;i++){
		vector<int> m(sz(p[i]),0);
		int j=0;
		while(j<sz(p[i])){
			if(m[j]==0){
				for(int k=sz(p[i])-1;k>j;k--){
					if(m[k]==0 and (p[i][j]+p[i][k])%2==1 and (a[p[i][j]]+a[p[i][k]])%2==1){
						m[j]=1,m[k]=1;
						c[p[i][j]]='(';
						c[p[i][k]]=')';
						break;
					}
				}
			}
			j++;
		}
	}
	bool flag=true;
	for(int i=0;i<sz(c);i++){
		if(c[i]=='0'){
			flag=false;
			break;
		}
	}
	if(flag==true) cout<<c<<endl;
	else cout<<-1<<endl;
	return 0;
}
//Icebear

Compilation message (stderr)

match.cpp: In function 'int main()':
match.cpp:29:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |  for(int i=0;i<sz(s);i++){
      |               ^
match.cpp:38:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |   while(j<sz(p[i])){
      |          ^
match.cpp:53:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |  for(int i=0;i<sz(c);i++){
      |               ^
match.cpp: At global scope:
match.cpp:67:10: error: redefinition of 'const ll MOD'
   67 | const ll MOD=998244353;
      |          ^~~
match.cpp:5:10: note: 'const ll MOD' previously defined here
    5 | const ll MOD=998244353;
      |          ^~~
match.cpp:68:10: error: redefinition of 'const ll alt'
   68 | const ll alt=1e10;
      |          ^~~
match.cpp:6:10: note: 'const ll alt' previously defined here
    6 | const ll alt=1e10;
      |          ^~~
match.cpp:69:10: error: redefinition of 'const ll inf'
   69 | const ll inf=1e9+7;//Precalc is not a bad idea
      |          ^~~
match.cpp:7:10: note: 'const ll inf' previously defined here
    7 | const ll inf=1e9+7;//Precalc is not a bad idea
      |          ^~~
match.cpp:85:5: error: redefinition of 'int main()'
   85 | int main(){
      |     ^~~~
match.cpp:23:5: note: 'int main()' previously defined here
   23 | int main(){
      |     ^~~~
match.cpp: In function 'int main()':
match.cpp:91:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |  for(int i=0;i<sz(s);i++){
      |               ^
match.cpp:100:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  100 |   while(j<sz(p[i])){
      |          ^
match.cpp:115:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  115 |  for(int i=0;i<sz(c);i++){
      |               ^