Submission #19692

#	Time	Username	Problem	Language	Result	Execution time	Memory
19692		ainta	창문 (kriii4_C)	C++98	100 / 100	0 ms	1084 KiB

C

#include<stdio.h>
long long Mod = 1000000007;
long long Inv(long long a){
    long long r = 1,b=Mod-2;
    while(b){
        if(b%2)r=r*a%Mod;
        a=a*a%Mod,b/=2;
    }
    return r;
}
int main(){
    long long a, b;
    scanf("%lld%lld",&a,&b);
    a%=Mod,b%=Mod;
    printf("%lld\n",(a+2)*Inv(3)%Mod*(b+2)%Mod*Inv(3)%Mod*9%Mod);
}

• Subtask 1: 3 / 3
• Subtask 2: 97 / 97