# CF 240E, 一些意外状况.

Ruchiose posted @ Oct 31, 2014 04:02:13 PM in sigh with tags , 1962 阅读

1000 3983
1 2 1
2 3 1
3 4 1
4 5 1
......
997 998 1
998 999 1
999 1000 1
4 1 0
5 2 0
6 3 0
......
997 994 0
998 995 0
999 996 0
1000 997 0
7 1 0
8 2 0
9 3 0
10 4 0
......
998 992 0
999 993 0
1000 994 0
8 1 0
9 2 0
10 3 0
......
997 990 0
998 991 0
999 992 0
1000 993 0


// Author: Ruchiose
#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<algorithm>
#include<cmath>
#define i64 long long
#define d64 long double
#define fortodo(i, f, t) for (i = f; i <= t; i++)
using namespace std;

int main()
{
int N = 1000;
printf("%d %d\n", N, N * 4 - 17);
int i;
fortodo(i, 1, N - 1) printf("%d %d 1\n", i, i + 1);
fortodo(i, 1, N - 3) printf("%d %d 0\n", i + 3, i);
fortodo(i, 1, N - 6) printf("%d %d 0\n", i + 6, i);
fortodo(i, 1, N - 7) printf("%d %d 0\n", i + 7, i);
}

-1

3
997 998 999

-1

999
629 2514 2515 2516 2517 2518 2519 2520 25......
-1
999
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17......
999
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17......

（似乎-1会被代码高亮君吃掉囧）

（杜教：你可以去学习一下O(MlogN)的写法）

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Emma 说:
Jan 18, 2023 07:04:38 PM

Overall, I found CF 240E to be a very well-run and organized course. However, there were a few situations that I found to be unexpected. First, there was a lot of focus on memorization and understanding specific CBD oil capsules details rather than on broad concepts. I had expected to focus more on the latter. Second, the assignments were very challenging and required a lot of extra time outside of class. I had expected them to be challenging, but not to the extent that they were. Overall, though, I enjoyed the course and found it to be extremely valuable.

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