# include<stdio.h> int t(int * i,int * j) { if(*i<1) { *j = *i; } else if(*i>=1&&*i<10) { *j =2**i-1; } else { *j = 3**i-11; } return 0; } int main(void) { int x,y; scanf("%d",&x); t(&x,&y); printf("%d\n",y); return 0; } |
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