#include<bits/stdc++.h> using namespace std; int a[10] = {6,2,5,5,4,5,6,3,7,6}; int ch(int x) { int sum=0; if(x == 0) return a[x]; while(x) { sum += a[x % 10]; x /= 10; } return sum; } int n,cnt; int main() { cin >> n; n -= 4; for(int i = 0;i <= 1000;i++) { for(int j = 0;j <= 1000;j++) { if(ch(i) + ch(j) + ch(i+j) == n) cnt++; } } cout << cnt << endl; return 0; }

#include <bits/stdc++.h> using namespace std; int a[2001] = {6}; int c[10] = {6,2,5,5,4,5,6,3,7,6}; int get_num,num1,num2; int main(void) { cin >> get_num; for (int i = 1;i <= 2000;i++) { num2 = i; while (num2 >= 1) { a[i] = a[i] + c[num2 % 10]; num2 /= 10; } } num1 = 0; for (int i = 0;i <= 1000;i++) { for (int j = 0;j <= 1000;j++) { if (get_num == a[i] + a[j] + a[i + j] + 4) { num1++; } } } cout << num1; return 0; }

#include <bits/stdc++.h> using namespace std; int a[2001] = {6}; int c[10] = {6,2,5,5,4,5,6,3,7,6}; int get_num,num1,num2; int main(void){ cin >> get_num; for (int i = 1;i <= 2000;i++){ num2 = i; while (num2 >= 1){ a[i] = a[i] + c[num2 % 10]; num2 /= 10; } } num1 = 0; for (int i = 0;i <= 1000;i++){ for (int j = 0;j <= 1000;j++){ if (get_num == a[i] + a[j] + a[i + j] + 4) { num1++; } } } cout << num1; return 0; }