#include <stdio.h>
int main(void) {
int n;
printf("Enter the number: \n"); int a;
for(int i=1;i<=n;i++){
if(i%2==0) a=0;
else a=1;
for(int j=1;j<=i;j++){
if(a==0) a=1;
else a=0;
}
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CglpbnQgbjsKICAgIHByaW50ZigiRW50ZXIgdGhlIG51bWJlcjogXG4iKTsKICAgIHNjYW5mKCIlZCIsJm4pOwogICAgICBpbnQgYTsKICAgIGZvcihpbnQgaT0xO2k8PW47aSsrKXsKICAgICAgICAgICBpZihpJTI9PTApIGE9MDsKICAgICAgICAgICBlbHNlIGE9MTsgCiAgICAgIGZvcihpbnQgaj0xO2o8PWk7aisrKXsKICAgICAgICAgICBwcmludGYoIiVkIixhKTsKICAgICAgICAgICBpZihhPT0wKSBhPTE7CiAgICAgICAgICAgZWxzZSBhPTA7CiAgIAogICAgICAgICAKICAgICAgfQogICAgICAgICBwcmludGYoIlxuIik7CiAgICAgICAgCiAgICB9CglyZXR1cm4gMDsKfQo=