Submission #937333

#	Time	Username	Problem	Language	Result	Execution time	Memory
937333		amirhoseinfar1385	Zoltan (COCI16_zoltan)	C++17	0 / 140	2 ms	536 KiB

zoltan

#include<bits/stdc++.h>
using namespace std;
const int maxn=200000+10,mod=1e9+7;
long long mypow(long long m,long long y){
	if(y==0){
		return 1;
	}
	long long p=mypow(m,(y>>1));
	p*=p;
	p%=mod;
	if(y&1){
		p*=m;
		p%=mod;
	}
	return p;
}
int n,all[maxn],res,ted;

void vorod(){
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>all[i];
	}
	if(n>20){
		exit(0);
	}
}

void solve(){
	for(int i=1;i<(1<<n);i++){
		int sz=__builtin_popcount(i);
		if(sz<res){
			continue;
		}
		int f=1,mx=-1,mn=1e9+5;
		for(int j=0;j<n;j++){
			if((i>>j)&1){
				if(all[i]<=mx&&all[i]>=mn){
					f=0;
					break;
				}
				mn=min(mn,all[j]);
				mx=max(mn,all[j]);
			}
		}
		if(f){
			if(sz==res){
				ted++;
			}else{
				res=sz;
				ted=1;
			}
		}
	}
}

void khor(){
	ted=ted*mypow(2,n-res)%mod;
	cout<<res<<" "<<ted<<endl;
}

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	freopen("inp.txt","r",stdin);
	vorod();
	solve();
	khor();
}

Compilation message (stderr)

zoltan.cpp: In function 'int main()':
zoltan.cpp:66:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   66 |  freopen("inp.txt","r",stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 140