QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#468819#8338. Quad Kingdoms Chessreal_sigma_teamWA 0ms24200kbC++236.1kb2024-07-09 01:27:562024-07-09 01:27:56

Judging History

你现在查看的是最新测评结果

  • [2024-07-09 01:27:56]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:24200kb
  • [2024-07-09 01:27:56]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
#define x first
#define y second

void solve();

int main() {
#ifdef LOCAL
	cin.tie(nullptr)->sync_with_stdio(false);
#endif
	cout << fixed << setprecision(30);
	int t = 1;
	// cin >> t;
	while (t--) {
		solve();
	}
}

mt19937_64 mt(time(nullptr));

const int N = 100100, K = 1, mod = 100'000'007;
int a[N], b[N], prv[mod], sufa[N], sufb[N], prva[K], suffa[K], prvb[K], suffb[K], mna[N], mnb[N], inda[K], indb[K];
unsigned long long hsh[N], prefa[N], prefb[N];
pair<int, int> cha[K], chb[K], stk[N], chas[K], chbs[K];
pair<int, pair<int, int>> que[2 * N], chall[K];


void solve() {
	for (int i = 0; i < N; i++) {
		hsh[i] = mt();
	}
	int n1, n2, q;
	cin >> n1;
	for (int i = 0; i < n1; i++) {
		cin >> a[i];
	}
	cin >> n2;
	for (int i = 0; i < n2; i++) {
		cin >> b[i];
	}
	cin >> q;
	for (int i = 0; i < q; i++) {
		cin >> que[i].x >> que[i].y.x >> que[i].y.y; que[i].y.x--;
	}
	for (int st = 0; st < q; st += K) {
		int sz = min(K, q - st);
		for (int i = 0; i < n1; i++) {
			mna[i] = a[i];
		}
		for (int i = 0; i < n2; i++) {
			mnb[i] = b[i];
		}
		int indasz = 0, indbsz = 0;
		set<int> ia, ib;
		for (int i = 0; i < sz; i++) {
			chall[i] = que[i + st];
			if (chall[i].x == 1) {
				mna[chall[i].y.x] = min(mna[chall[i].y.x], chall[i].y.y);
				ia.insert(chall[i].y.x);
			} else {
				mnb[chall[i].y.x] = min(mnb[chall[i].y.x], chall[i].y.y);
				ib.insert(chall[i].y.x);
			}
		}
		for (int i : ia) {
			inda[indasz++] = i;
		}
		for (int i : ib) {
			indb[indbsz++] = i;
		}
		{
			sufa[n1 - 1] = 0;
			for (int i = n1 - 2; i >= 0; i--) {
				sufa[i] = max(sufa[i + 1], mna[i + 1]);
			}
			prefa[0] = 0;
			for (int i = 0; i < n1; i++) {
				if (mna[i] >= sufa[i]) {
					prefa[i + 1] = prefa[i] + hsh[mna[i]];
				} else {
					prefa[i + 1] = prefa[i];
				}
			}
			int chassz = 0;
			for (int i = 0; i < sz; i++) {
				if (chall[i].x == 1) {
					chas[chassz++] = chall[i].y;
					chas[chassz++] = {chall[i].y.x, a[chall[i].y.x]};
				}
			}
			sort(chas, chas + chassz);
			int stksz = 1, ptr = 0;
			stk[0] = {INT32_MAX, -1};
			for (int i = 0; i < n1; i++) {
				while (mna[i] > stk[stksz - 1].x) {
					stksz--;
				}
				stk[stksz++] = {mna[i], i};
				while (ptr < chassz && chas[ptr].x == i) {
					int nw = stksz;
					for (int l = 17; l >= 0; l--) {
						if (nw - (1 << l) >= 0 && stk[nw - (1 << l)].x < chas[ptr].y) {
							nw -= (1 << l);
						}
					}
					nw--;
					prv[(hsh[chas[ptr].x] + hsh[31] * hsh[chas[ptr].y] + hsh[2 + chas[ptr].x]) % mod] = stk[nw].y;
					ptr++;
				}
			}
		}
		{
			sufb[n2 - 1] = 0;
			for (int i = n2 - 2; i >= 0; i--) {
				sufb[i] = max(sufb[i + 1], mnb[i + 1]);
			}
			prefb[0] = 0;
			for (int i = 0; i < n2; i++) {
				if (mnb[i] >= sufb[i]) {
					prefb[i + 1] = prefb[i] + hsh[mnb[i]];
				} else {
					prefb[i + 1] = prefb[i];
				}
			}
			int chbssz = 0;
			for (int i = 0; i < sz; i++) {
				if (chall[i].x == 2) {
					chbs[chbssz++] = chall[i].y;
					chbs[chbssz++] = {chall[i].y.x, b[chall[i].y.x]};
				}
			}
			sort(chbs, chbs + chbssz);
			int stksz = 1, ptr = 0;
			stk[0] = {INT32_MAX, -1};
			for (int i = 0; i < n2; i++) {
				while (mnb[i] > stk[stksz - 1].x) {
					stksz--;
				}
				stk[stksz++] = {mnb[i], i};
				while (ptr < chbssz && chbs[ptr].x == i) {
					int nw = stksz;
					for (int l = 17; l >= 0; l--) {
						if (nw - (1 << l) >= 0 && stk[nw - (1 << l)].x < chbs[ptr].y) {
							nw -= (1 << l);
						}
					}
					nw--;
					prv[(hsh[chbs[ptr].x] + hsh[31] * hsh[chbs[ptr].y] + hsh[1 + chbs[ptr].x]) % mod] = stk[nw].y;
					ptr++;
				}
			}
		}
		unsigned long long resmna = prefa[n1], resmnb = prefb[n2];
		for (int c = 0; c < sz; c++) {
			int chasz = 0, chbsz = 0;
			unsigned long long resa = resmna, resb = resmnb;
			if (chall[c].x == 1) {
				a[chall[c].y.x] = chall[c].y.y;
			} else {
				b[chall[c].y.x] = chall[c].y.y;
			}
			{
				for (int i = 0; i < indasz; i++) {
					if (mna[inda[i]] != a[inda[i]]) {
						cha[chasz++] = {inda[i], a[inda[i]]};
					}
				}
				int stksz = 1;
				stk[0] = {INT32_MAX, -1};
				for (int i = 0; i < chasz; i++) {
					while (cha[i].y > stk[stksz - 1].x) {
						stksz--;
					}
					prva[i] = stk[stksz - 1].y;
					stk[stksz++] = {cha[i].y, cha[i].x};
				}
				suffa[chasz - 1] = 0;
				for (int i = chasz - 2; i >= 0; i--) {
					suffa[i] = max(suffa[i + 1], cha[i + 1].y);
				}
				for (int i = 0; i < chasz; i++) {
					if (max(suffa[i], sufa[cha[i].x]) > cha[i].y) {
						continue;
					}
					int r = cha[i].x + 1;
					int l;
					int c1 = prva[i];
					int c2 = prv[(hsh[cha[i].x] + hsh[31] * hsh[cha[i].y] + hsh[2 + cha[i].x]) % mod];
					// int c2 = cha[i].x;
					if (a[c1] > a[c2]) {
						l = c1 + 1;
					} else if (a[c2] > a[c1]) {
						l = c2 + 1;
					} else {
						l = max(c1, c2) + 1;
					}
					resa -= prefa[r] - prefa[l];
					resa += hsh[cha[i].y];
				}
			}
			{
				for (int i = 0; i < indbsz; i++) {
					if (mnb[indb[i]] != b[indb[i]]) {
						chb[chbsz++] = {indb[i], b[indb[i]]};
					}
				}
				int stksz = 1;
				stk[0] = {INT32_MAX, -1};
				for (int i = 0; i < chbsz; i++) {
					while (chb[i].y > stk[stksz - 1].x) {
						stksz--;
					}
					prvb[i] = stk[stksz - 1].y;
					stk[stksz++] = {chb[i].y, chb[i].x};
				}
				suffb[chbsz - 1] = 0;
				for (int i = chbsz - 2; i >= 0; i--) {
					suffb[i] = max(suffb[i + 1], chb[i + 1].y);
				}
				for (int i = 0; i < chbsz; i++) {
					if (max(suffb[i], sufb[chb[i].x]) > chb[i].y) {
						continue;
					}
					int r = chb[i].x + 1;
					int l;
					int c1 = prvb[i];
					int c2 = prv[(hsh[chb[i].x] + hsh[31] * hsh[chb[i].y] + hsh[1 + chb[i].x]) % mod];
					// int c2 = chb[i].x;
					if (b[c1] > b[c2]) {
						l = c1 + 1;
					} else if (b[c2] > b[c1]) {
						l = c2 + 1;
					} else {
						l = max(c1, c2) + 1;
					}
					resb -= prefb[r] - prefb[l];
					resb += hsh[chb[i].y];
				}
			}
			cout << (resa == resb ? "YES\n" : "NO\n");
			// cout << resa << ' ' << resb << '\n';
		}
	}
}

詳細信息

Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 24200kb

input:

5
1 2 3 4 5
5
5 4 3 2 1
8
1 1 5
1 4 2
1 2 4
1 5 1
1 5 5
2 1 4
2 3 5
2 5 5

output:

NO
NO
NO
YES
NO
NO
NO
NO

result:

wrong answer 8th words differ - expected: 'YES', found: 'NO'