백준/2292/벌집/C/Python

https://www.acmicpc.net/problem/2292

1620번: 나는야 포켓몬 마스터 이다솜

 

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1) c

#include <stdio.h>
#include <stdlib.h>
#pragma warning(disable:4996)

int main(void) {
    int n,start,end; n=start=end = 1;
    scanf("%d", &n);
    if (n == 1) { printf("1"); return 0; }
    for (int i = 2;; i++) {
        if ((start <= n) && (n <= end)) { printf("%d", i-1); return 0; }
        start = end + 1;
        end = (start - 1) + 6 * (i - 1);
        //printf("%d)%d %d\n",i, start, end);
    }
    
    return 0;
}

 

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2) Python

if __name__== "__main__":
    n = int(input())
    start, end = 1,1

    if n==1:
        print(1)
    else:
        i =2
        while(True):
            if (start<=n) and (n<=end):
                print(i-1)
                break
            start = end+1
            end = (start-1) + 6*(i-1)
            #print(i,"::", start, ",",end)
            i = i+1

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