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https://git.sb/baoshuo/OI-codes.git
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63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
#include <algorithm>
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#include <iostream>
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#include <vector>
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using std::cin;
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using std::cout;
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const char endl = '\n';
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const int N = 2e6 + 5;
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int n, m, x[N], y[N], a[N], p, nums[N];
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char op[N];
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long long c1[N], c2[N];
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inline int lowbit(int x) {
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return x & -x;
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}
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void add(long long *c, int x, int y) {
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for (; x <= n + m; x += lowbit(x)) c[x] += y;
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}
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long long sum(long long *c, int x) {
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long long ans = 0;
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for (; x; x -= lowbit(x)) ans += c[x];
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return ans;
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}
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int main() {
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std::ios::sync_with_stdio(false);
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cin >> n >> m;
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for (int i = 1; i <= m; i++) {
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cin >> op[i] >> x[i] >> y[i];
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nums[++p] = y[i];
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}
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std::sort(nums + 1, nums + 1 + p);
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p = std::unique(nums + 1, nums + 1 + p) - nums - 1;
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for (int i = 1, k; i <= m; i++) {
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y[i] = std::lower_bound(nums + 1, nums + 1 + p, y[i]) - nums;
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if (op[i] == 'U') {
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if (k = a[x[i]]) {
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add(c1, k, -1);
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add(c2, k, -nums[k]);
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}
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k = a[x[i]] = y[i];
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add(c1, k, 1);
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add(c2, k, nums[k]);
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} else { // op[i] == 'Z'
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int c = sum(c1, p) - sum(c1, y[i] - 1);
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long long s = sum(c2, y[i] - 1);
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cout << (s >= 1ll * (x[i] - c) * nums[y[i]] ? "TAK" : "NIE") << endl;
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}
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}
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return 0;
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}
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