Submission #1309713

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Source Code Expand

// {{{ Boilerplate Code <--------------------------------------------------
// vim:filetype=cpp:foldmethod=marker:foldmarker={{{,}}}

#include <algorithm>
#include <bitset>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <deque>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <utility>
#include <vector>

#define FOR(I,A,B) for(int I = (A); I < (B); ++I)
#define ALL(A)     (A).begin(), (A).end()

using namespace std;

// }}}

int main(){
	long long N,A,B;
	cin>>N>>A>>B;

	long long ma = B*(N-1)+A;
	long long mi = B+A*(N-1);

	if (ma<mi){
		ma=mi-1;
	}
	cout << ma-mi+1 << endl;

}

Submission Info

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