Submission #1309653

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

#define REP(i,n) for(int (i)=0;(i)<(int)(n);(i)++)
#define SZ(v) ((int)(v).size())
#define ALL(v) (v).begin(),(v).end()
#define one first
#define two second
typedef long long ll;
typedef pair<int, int> pi;
const int INF = 0x3f2f1f0f;
const ll LINF = 1ll * INF * INF;

ll N, A, B;
int main() {
	cin >> N >> A >> B;
	printf("%lld\n", max(0ll, N * B - B + A - (N * A - A + B) + 1) );
	return 0;
}

Submission Info

Judge Result