code
#include<stdio.h>
int main() { for (int i = 0; i <= 100; i++) { printf("%d\n", i); }
int i = 1; while( i <= 100){ printf(" %d \n ",i); i++; }
int i1 = 1; do { printf("%d\n", i1); i1++; } while(i1 <= 100);
return 0;
}