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- #include <iostream>
- using namespace std;
- int main () {
- int n = 1447;
- int ok = 1;
- for(int i = n; i > 0; i /= 10) {
- int cifra = i % 10;
- if(cifra == 1 or cifra == 4 or cifra == 7) {
- ok = 1;
- }
- else {
- ok = 0;
- break;
- }
- }
- if(ok == 1) {
- // site cifri se 1 4 ili 7
- }
- else {
- // ne se
- }
- return 0;
- }
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