C Saved Program: majestic-dog

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#include<stdio.h>
int pec(int n) {
    if(n==0) return 0;
    int r = pec(n/10);
    int c = n%10;
    if(c<5) {
        printf("%d", c);
        return r+1;
    }
    return r;
}
int main() {
    int n;
    scanf("%d", &n);
    int i, x;
    for(i=0; i<n; i++) {
        scanf("%d", &x);
        int r = pec(x);
        printf(" : %d\n", r);
    }
    return 0;
}
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