제출 #10363

#제출 시각아이디문제언어결과실행 시간메모리
10363gs14004Modsum (NOI12_modsum)C++98
25 / 25
72 ms1096 KiB
#include <cstdio>

int n,s[1005], e[1005];

int get_cnt(long long x, int y){
    if(y == n){
        x = x*x +1;
        return (x*x+4)%5+1;
    }
    else{
        int res = 0;
        for (int i=s[y]; i<=e[y]; i++) {
            res += get_cnt(x+i,y+1);
        }
        return res;
    }
}

int main(){
    scanf("%d",&n);
    for (int i=0; i<n; i++) {
        scanf("%d %d",&s[i],&e[i]);
    }
    printf("%d",get_cnt(0,0));
}
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