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백준 1475번
Thanos_k
2021. 1. 1. 12:35
#include <iostream>
#include <math.h>
using namespace std;
int main() {
cin.tie(0);
ios_base::sync_with_stdio(false);
int door=0;
int number[10] = { 0, };
int num;
int temp;
int max=0;
cin >> door;
num = floor(log10(door) + 1);
if (door == 0) {
max = 1;
}
for (int i = 0; i < num; i++) {
temp = door % 10;
number[temp]++;
door /= 10;
}
if (number[6] > number[9]) {
number[6] -= ((number[6] - number[9]) / 2);
}
else {
number[9] -= ((number[9] - number[6]) / 2);
}
for (int i = 0; i <10; i++) {
if (number[i] > max) {
max = number[i];
}
}
cout << max;
}