25 Задание

#include <iostream>

using namespace std;

const int N = 2020;

int main(){
    int a[N];
    int i,m,k;
    for(i = 0; i< N; ++i)
        cin >> a[i];
    m = 99999;
    for(i=0; i < N; ++i)if(a[i] % 2 != 0 and a[i]/2%2!=0 and a[i] < m) m=a[i];
    for(i=0; i < N; ++i)if(a[i]%2==0 and a[i] > m) a[i] -= m;
    for(i=0; i < N; ++i)cout << a[i];
}