제출 #19138

#제출 시각아이디문제언어결과실행 시간메모리
19138eaststarMathWorlds (YDX13_mathworlds)C++14
1 / 1
0 ms1084 KiB
#include <stdio.h>
char *a=" +-*/";
int main(){
    long long x,y,z,s,t=0;
    scanf("%lld%lld%lld",&x,&y,&z);
    if(x+y==z)s=1,++t;
    if(x-y==z)s=2,++t;
    if(x*y==z)s=3,++t;
    if(y&&x%y==0&&x/y==z)s=4,++t;
    if(t!=1)puts("Invalid");
    else putchar(a[s]);
    return 0;
}
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