#include <bits/stdc++.h> using namespace std; const int N = 250005, BASE = (1 << 18); const int dx[] = {-1, -1, -1, 0, 1, 1, 1, 0}; const int dy[] = {-1, 0, 1, 1, 1, 0, -1, -1}; int t[N], whereIs[N]; int tree[2 * BASE + 5]; int n; int x[N], y[N], xtmp[N], ytmp[N]; int from[N], to[N]; bool cmp(int a, int b) { return x[a] < x[b]; } void insert(int posa, int posb, int val) { if (posa > posb) return; posa += BASE; posb += BASE; tree[posa] += val; if (posa != posb) { tree[posb] += val; } while (posa / 2 != posb / 2) { if (posa % 2 == 0) { tree[posa + 1] += val; } if (posb % 2 == 1) { tree[posb - 1] += val; } posa /= 2; posb /= 2; } } int query(int pos) { pos += BASE; int ret = 0; while (pos >= 1) { ret += tree[pos]; pos /= 2; } return ret; } int getEqualLeft(int w) { int low = 0; int high = w; int res = w; int myValue = query(w); while (low <= high) { int mid = (low + high) / 2; if (query(mid) == myValue) { res = mid; high = mid - 1; } else { low = mid + 1; } } return res; } int getEqualRight(int w) { int low = w; int high = n - 2; int res = w; int myValue = query(w); while (low <= high) { int mid = (low + high) / 2; if (query(mid) == myValue) { res = mid; low = mid + 1; } else { high = mid - 1; } } return res; } vector<long long> ans2; vector<int> subtask(int sleepy, int *x) { vector<int> t; for (int i = 0; i < n - 1; i++) { insert(i, i, -query(i)); } for (int i = 1; i <= n; i++) { if (i == sleepy) continue; t.push_back(i); } sort(t.begin(), t.end(), [&](int a, int b){return x[a] < x[b];}); for (int i = 0; i < t.size(); i++) { whereIs[t[i]] = i; insert(i, i, x[t[i]]); } for (int i = 1; i <= n; i++) { if (sleepy == i) continue; int pos = whereIs[i]; int firstEqual = getEqualLeft(pos); int lastEqual = getEqualRight(pos); insert(0, firstEqual - 1, 1); insert(lastEqual + 1, n - 2, -1); } vector<int> ret; for (int i = 1; i <= n; i++) { if (sleepy == i) { ret.push_back(x[i]); } else { ret.push_back(query(whereIs[i])); } } return ret; } int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d %d", &x[i], &y[i]); } for (int i = 1; i <= n; i++) { auto v1 = subtask(i, x); auto v2 = subtask(i, y); long long ans = 0; for (int i = 0; i < v1.size(); i++) { ans += (long long)v1[i] * v2[i]; } printf("%lld\n", ans); } return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 | #include <bits/stdc++.h> using namespace std; const int N = 250005, BASE = (1 << 18); const int dx[] = {-1, -1, -1, 0, 1, 1, 1, 0}; const int dy[] = {-1, 0, 1, 1, 1, 0, -1, -1}; int t[N], whereIs[N]; int tree[2 * BASE + 5]; int n; int x[N], y[N], xtmp[N], ytmp[N]; int from[N], to[N]; bool cmp(int a, int b) { return x[a] < x[b]; } void insert(int posa, int posb, int val) { if (posa > posb) return; posa += BASE; posb += BASE; tree[posa] += val; if (posa != posb) { tree[posb] += val; } while (posa / 2 != posb / 2) { if (posa % 2 == 0) { tree[posa + 1] += val; } if (posb % 2 == 1) { tree[posb - 1] += val; } posa /= 2; posb /= 2; } } int query(int pos) { pos += BASE; int ret = 0; while (pos >= 1) { ret += tree[pos]; pos /= 2; } return ret; } int getEqualLeft(int w) { int low = 0; int high = w; int res = w; int myValue = query(w); while (low <= high) { int mid = (low + high) / 2; if (query(mid) == myValue) { res = mid; high = mid - 1; } else { low = mid + 1; } } return res; } int getEqualRight(int w) { int low = w; int high = n - 2; int res = w; int myValue = query(w); while (low <= high) { int mid = (low + high) / 2; if (query(mid) == myValue) { res = mid; low = mid + 1; } else { high = mid - 1; } } return res; } vector<long long> ans2; vector<int> subtask(int sleepy, int *x) { vector<int> t; for (int i = 0; i < n - 1; i++) { insert(i, i, -query(i)); } for (int i = 1; i <= n; i++) { if (i == sleepy) continue; t.push_back(i); } sort(t.begin(), t.end(), [&](int a, int b){return x[a] < x[b];}); for (int i = 0; i < t.size(); i++) { whereIs[t[i]] = i; insert(i, i, x[t[i]]); } for (int i = 1; i <= n; i++) { if (sleepy == i) continue; int pos = whereIs[i]; int firstEqual = getEqualLeft(pos); int lastEqual = getEqualRight(pos); insert(0, firstEqual - 1, 1); insert(lastEqual + 1, n - 2, -1); } vector<int> ret; for (int i = 1; i <= n; i++) { if (sleepy == i) { ret.push_back(x[i]); } else { ret.push_back(query(whereIs[i])); } } return ret; } int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d %d", &x[i], &y[i]); } for (int i = 1; i <= n; i++) { auto v1 = subtask(i, x); auto v2 = subtask(i, y); long long ans = 0; for (int i = 0; i < v1.size(); i++) { ans += (long long)v1[i] * v2[i]; } printf("%lld\n", ans); } return 0; } |