Submission #3235689

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
typedef long long unsigned int ll;

// definition {{{ 1

// scaning {{{ 2
#define Scd(x) scanf("%d", &x)
#define Scd2(x,y) scanf("%d%d", &x, &y)
#define Scd3(x,y,z) scanf("%d%d%d", &x, &y, &z)

#define Scll(x) scanf("%llu", &x)
#define Scll2(x,y) scanf("%llu%llu", &x, &y)
#define Scll3(x,y,z) scanf("%llu%llu%llu", &x, &y, &z)

#define Scc(c) scanf("%c", &c);
#define Scs(s) scanf("%s", s);
#define Scstr(s) scanf("%s", &s);
// }}} 2

// constants {{{ 2
#define EPS (1e-7)
#define INF (1e9)
#define PI (acos(-1))
// }}} 2

// systems {{{ 2
#define Rep(x,y) for(int x = 0; x < y; x++)
#define Repe(x,y,z) for(int x = z; x < y; x++)
// }}} 2

// output {{{ 2
#define YesNo(a) (a)?printf("Yes\n"):printf("No\n");
// }}} 2

// }}} 1

int main() {

    ll n,a,b;

    Scll3(n,a,b);

    if( a > b ){
        printf ("%d\n", 0);
        return 0;
    }

    if( n == 1 ){
        if( a == b ){
            printf ("%d\n", 1);
            return 0;
        }else{
            printf ("%d\n", 0);
            return 0;
        }
    }

    n -= 2;

    ll ans = n*b - n*a + 1;
    printf ("%llu\n", ans);

    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:42:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     Scll3(n,a,b);
                 ^

Judge Result