Submission #6429911

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Source Code Expand

#include<cstdio>
int n,a;
int main()
{
    scanf("%d%d",&n,&a);
    n=(n-a>0)?n-a:a-n;
    switch(n%10)
    {
        case 1:case 5:printf("%d\n",n/10+1);break;
        case 2:case 4:case 6:case 9:printf("%d\n",n/10+2);break;
        case 3:case 7:case 8:printf("%d\n",n/10+3);break;
        case 0:printf("%d\n",n/10);break;
    }
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:5:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&a);
                        ^

Judge Result