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