题解 | #统计每个月兔子的总数#

#include <stdio.h>
#include <string.h>

int main() {
    int n;
    int you[32] = {0};
    int yun[32] = {0};
    int count[32] = {0}; //总数
    count[1] = 1;
    you[1] = 1;
    scanf("%d", &n);
    int i;
    for (i = 2; i <= n; i++) {
        yun[i] = you[i - 1] + yun[i - 1];
        you[i] = yun[i - 1];
        count[i] = you[i] + yun[i];
    }
    printf("%d\n", count[n]);
    return 0;
}