Submission #1608832

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
static const int INF = 2000000000;
static const int NIL = -1;
typedef long long ll;
typedef pair<int,int> P;

int main(){
    ll n,a,b;
    scanf("%lld %lld %lld",&n,&a,&b);
    if(a>b){
        printf("0\n");
        return 0;
    } else if(a==b){
        printf("1\n");
        return 0;
    } else {
        ll ans = (b*(n-1)+a)-(a*(n-1)+b)+1;
        printf("%lld\n",(ans > 0) ? ans : 0);
    }

    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld %lld %lld",&n,&a,&b);
                                     ^

Judge Result