#include <stdio.h> #include <stdlib.h> #include<ctype.h> #include<string.h> #include<math.h> #include<stdbool.h> int main() { int i, j, a, b, n, sum; scanf("%d%d", &a, &n); sum = 0; for (i = 0; i < n; i++) { if (i == 0) { b = a; } else b = b * 10 + a; sum += b; } printf("%d", sum); return 0; } |
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