You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
161 lines
2.3 KiB
161 lines
2.3 KiB
#include<bits/stdc++.h>
|
|
|
|
using namespace std;
|
|
|
|
//思路：打表找规律，也是思考问题的重要方法，一题两解，是一道简单直白的试题
|
|
int main() {
|
|
int n;
|
|
cin >> n;
|
|
cout << n << endl;//据打表的n有n次
|
|
for (int i = 1; i <= n; i++) {
|
|
for (int j = 1; j <= n; j++) {
|
|
if ((i % 2 == 1 && j <= i) || (i % 2 == 0 && j > i))
|
|
cout << "0";
|
|
else
|
|
cout << "1";
|
|
}
|
|
cout << endl;
|
|
}//据打表的
|
|
return 0;
|
|
}
|
|
/*
|
|
|
|
2
|
|
01
|
|
11
|
|
|
|
--------------------
|
|
4
|
|
0111
|
|
1100
|
|
0001
|
|
1111
|
|
|
|
--------------------
|
|
6
|
|
011111
|
|
110000
|
|
000111
|
|
111100
|
|
000001
|
|
111111
|
|
|
|
--------------------
|
|
8
|
|
01111111
|
|
11000000
|
|
00011111
|
|
11110000
|
|
00000111
|
|
11111100
|
|
00000001
|
|
11111111
|
|
|
|
--------------------
|
|
10
|
|
0111111111
|
|
1100000000
|
|
0001111111
|
|
1111000000
|
|
0000011111
|
|
1111110000
|
|
0000000111
|
|
1111111100
|
|
0000000001
|
|
1111111111
|
|
|
|
--------------------
|
|
12
|
|
011111111111
|
|
110000000000
|
|
000111111111
|
|
111100000000
|
|
000001111111
|
|
111111000000
|
|
000000011111
|
|
111111110000
|
|
000000000111
|
|
111111111100
|
|
000000000001
|
|
111111111111
|
|
|
|
--------------------
|
|
14
|
|
01111111111111
|
|
11000000000000
|
|
00011111111111
|
|
11110000000000
|
|
00000111111111
|
|
11111100000000
|
|
00000001111111
|
|
11111111000000
|
|
00000000011111
|
|
11111111110000
|
|
00000000000111
|
|
11111111111100
|
|
00000000000001
|
|
11111111111111
|
|
|
|
--------------------
|
|
16
|
|
0111111111111111
|
|
1100000000000000
|
|
0001111111111111
|
|
1111000000000000
|
|
0000011111111111
|
|
1111110000000000
|
|
0000000111111111
|
|
1111111100000000
|
|
0000000001111111
|
|
1111111111000000
|
|
0000000000011111
|
|
1111111111110000
|
|
0000000000000111
|
|
1111111111111100
|
|
0000000000000001
|
|
1111111111111111
|
|
|
|
--------------------
|
|
18
|
|
011111111111111111
|
|
110000000000000000
|
|
000111111111111111
|
|
111100000000000000
|
|
000001111111111111
|
|
111111000000000000
|
|
000000011111111111
|
|
111111110000000000
|
|
000000000111111111
|
|
111111111100000000
|
|
000000000001111111
|
|
111111111111000000
|
|
000000000000011111
|
|
111111111111110000
|
|
000000000000000111
|
|
111111111111111100
|
|
000000000000000001
|
|
111111111111111111
|
|
|
|
--------------------
|
|
20
|
|
01111111111111111111
|
|
11000000000000000000
|
|
00011111111111111111
|
|
11110000000000000000
|
|
00000111111111111111
|
|
11111100000000000000
|
|
00000001111111111111
|
|
11111111000000000000
|
|
00000000011111111111
|
|
11111111110000000000
|
|
00000000000111111111
|
|
11111111111100000000
|
|
00000000000001111111
|
|
11111111111111000000
|
|
00000000000000011111
|
|
11111111111111110000
|
|
00000000000000000111
|
|
11111111111111111100
|
|
00000000000000000001
|
|
11111111111111111111
|
|
*/ |