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58 lines
2.0 KiB
C++
58 lines
2.0 KiB
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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bool mp[20][20];
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int d[4][2] = {{1, 0}, {0, -1}, {-1, 0}, {0, 1}};
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void fil(int x, int y)
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{
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mp[x][y] = true;
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for (int i = 0; i < 4; i++)
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if (!mp[x + d[i][0]][y + d[i][1]])
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fil(x + d[i][0], y + d[i][1]);
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}
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int main()
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{
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int T, x11, y11, x12, y12, x21, y21, x22, y22;
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scanf("%d", &T);
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while (T--)
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{
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scanf("%d%d%d%d%d%d%d%d", &x11, &y11, &x12, &y12, &x21, &y21, &x22, &y22);
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int a[] = {x11, y11, x12, y12, x21, y21, x22, y22};
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sort(a, a + 8);
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int l = unique(a, a + 8) - a;
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x11 = (lower_bound(a, a + l, x11) - a + 1) << 1;
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y11 = (lower_bound(a, a + l, y11) - a + 1) << 1;
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x12 = (lower_bound(a, a + l, x12) - a + 1) << 1;
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y12 = (lower_bound(a, a + l, y12) - a + 1) << 1;
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x21 = (lower_bound(a, a + l, x21) - a + 1) << 1;
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y21 = (lower_bound(a, a + l, y21) - a + 1) << 1;
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x22 = (lower_bound(a, a + l, x22) - a + 1) << 1;
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y22 = (lower_bound(a, a + l, y22) - a + 1) << 1;
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CLR(mp);
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for (int i = x11; i <= x12; i++) mp[i][y11] = mp[i][y12] = true;
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for (int i = y11; i <= y12; i++) mp[x11][i] = mp[x12][i] = true;
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for (int i = x21; i <= x22; i++) mp[i][y21] = mp[i][y22] = true;
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for (int i = y21; i <= y22; i++) mp[x21][i] = mp[x22][i] = true;
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for (int i = 0; i < 20; i++)
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mp[0][i] = mp[19][i] = mp[i][0] = mp[i][19] = true;
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int cnt = 0;
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for (int i = 0; i < 20; i++)
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for (int j = 0; j < 20; j++)
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if (!mp[i][j])
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fil(i, j), cnt++;
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printf("%d\n", cnt);
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}
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return 0;
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} |