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34 lines
920 B
C++
34 lines
920 B
C++
#define _CRT_SECURE_NO_WARNINGS
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#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
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#include <bits/stdc++.h>
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using namespace std;
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#define CRP(t, x) const t &x
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#define OPL(t, x) bool operator<(CRP(t, x)) const
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#define FIL(x, v) memset(x, v, sizeof(x))
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#define CLR(x) FIL(x, 0)
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#define NE1(x) FIL(x, -1)
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#define INF(x) FIL(x, 0x3f)
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#ifndef _DEBUG
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#define _DEBUG 0
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#endif // !_DEBUG
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#define IFD if (_DEBUG)
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typedef long long ll, i64;
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const int N = 1 << 10 | 1;
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int a[N][N];
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int main()
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{
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int n;
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scanf("%d", &n);
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a[0][0] = 1;
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for (int c = 1; c < n; c <<= 1)
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for (int i = 0; i < c; i++)
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for (int j = 0; j < c; j++)
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{
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a[c + i][j] = a[i][c + j] = a[i][j];
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a[c + i][c + j] = a[i][j] ^ 1;
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}
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for (int i = 0; i < n; i++)
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for (int j = 0; j < n; j++)
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printf("%d%c", a[i][j] * 2 - 1, " \n"[j == n - 1]);
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return 0;
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} |