Submission #1678382

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Source Code Expand

#include <iostream>
#include <vector>
#include <complex>
#include <algorithm>
using namespace std;

#define REP(i,n) for(int i=0;i<n;i++)
#define REPR(i,n) for(int i=n;i>=0;i--)
#define FOR(i,m,n) for(int i=m;i<n;i++)
#define EPS (1e-7)
#define INF 1e9

typedef long long ll;
typedef pair<int,int>P;

const int MAX_N=4000;
int N;

int main(){
	cin>>N;
	cout<<N-1<<endl;
	return 0;
}

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