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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#878100#9971. 新本格魔法少女りすかzlt0 13546ms37332kbC++144.3kb2025-02-01 13:33:402025-02-01 13:33:42

Judging History

This is the latest submission verdict.

  • [2025-02-01 13:33:42]
  • Judged
  • Verdict: 0
  • Time: 13546ms
  • Memory: 37332kb
  • [2025-02-01 13:33:40]
  • Submitted

answer

// Problem: P11365 [Ynoi2024] 新本格魔法少女りすか
// Contest: Luogu
// URL: https://www.luogu.com.cn/problem/P11365
// Memory Limit: 128 MB
// Time Limit: 15000 ms
// 
// Powered by CP Editor (https://cpeditor.org)

#include <bits/stdc++.h>
#define pb emplace_back
#define fst first
#define scd second
#define mkp make_pair
#define uint unsigned
#define mems(a, x) memset((a), (x), sizeof(a))

using namespace std;
typedef long long ll;
typedef double db;
typedef unsigned long long ull;
typedef long double ldb;
typedef pair<int, int> pii;

namespace IO {
	const int maxn = 1 << 20;
	
    char ibuf[maxn], *iS, *iT, obuf[maxn], *oS = obuf;

	inline char gc() {
		return (iS == iT ? iT = (iS = ibuf) + fread(ibuf, 1, maxn, stdin), (iS == iT ? EOF : *iS++) : *iS++);
	}

	template<typename T = int>
	inline T read() {
		char c = gc();
		T x = 0;
		bool f = 0;
		while (c < '0' || c > '9') {
			f |= (c == '-');
			c = gc();
		}
		while (c >= '0' && c <= '9') {
			x = (x << 1) + (x << 3) + (c ^ 48);
			c = gc();
		}
		return f ? ~(x - 1) : x;
	}

	inline void flush() {
		fwrite(obuf, 1, oS - obuf, stdout);
		oS = obuf;
	}
	
	struct Flusher {
		~Flusher() {
			flush();
		}
	} AutoFlush;

	inline void pc(char ch) {
		if (oS == obuf + maxn) {
			flush();
		}
		*oS++ = ch;
	}

	template<typename T>
	inline void write(T x) {
		static char stk[64], *tp = stk;
		if (x < 0) {
			x = ~(x - 1);
			pc('-');
		}
		do {
			*tp++ = x % 10;
			x /= 10;
		} while (x);
		while (tp != stk) {
			pc((*--tp) | 48);
		}
	}
	
	template<typename T>
	inline void writesp(T x) {
		write(x);
		pc(' ');
	}
	
	template<typename T>
	inline void writeln(T x) {
		write(x);
		pc('\n');
	}
}

using IO::read;
using IO::write;
using IO::pc;
using IO::writesp;
using IO::writeln;

const int maxn = 500100;
const int B = 200;

int n, m, a[maxn], bel[maxn], L[maxn], R[maxn], b[maxn], c[maxn];
ll ans[maxn];
vector<pii> qq[maxn];

namespace BIT {
	int c[maxn];
	
	inline void update(int x, int d) {
		for (int i = x; i <= n; i += (i & (-i))) {
			c[i] += d;
		}
	}
	
	inline int query(int x) {
		int res = 0;
		for (int i = x; i; i -= (i & (-i))) {
			res += c[i];
		}
		return res;
	}
	
	inline void clear(int x) {
		for (int i = x; i <= n; i += (i & (-i))) {
			c[i] = 0;
		}
	}
}

void solve() {
	n = read();
	m = read();
	for (int i = 1; i <= n; ++i) {
		a[i] = read();
		bel[i] = (i - 1) / B + 1;
		if (!L[bel[i]]) {
			L[bel[i]] = i;
		}
		R[bel[i]] = i;
	}
	for (int i = 1, k, l, r; i <= m; ++i) {
		k = read();
		while (k--) {
			l = read();
			r = read();
			qq[i].pb(l, r);
			if (bel[l] == bel[r]) {
				for (int j = l; j <= r; ++j) {
					ans[i] += BIT::query(a[j]);
				}
				for (int j = l; j <= r; ++j) {
					BIT::update(a[j], 1);
				}
			} else {
				for (int j = l; j <= R[bel[l]]; ++j) {
					ans[i] += BIT::query(a[j]);
				}
				for (int j = L[bel[r]]; j <= r; ++j) {
					ans[i] += BIT::query(a[j]);
				}
				for (int j = l; j <= R[bel[l]]; ++j) {
					BIT::update(a[j], 1);
				}
				for (int j = L[bel[r]]; j <= r; ++j) {
					BIT::update(a[j], 1);
				}
			}
		}
		for (pii p : qq[i]) {
			int l = p.fst, r = p.scd;
			if (bel[l] == bel[r]) {
				for (int j = l; j <= r; ++j) {
					BIT::clear(a[j]);
				}
			} else {
				for (int j = l; j <= R[bel[l]]; ++j) {
					BIT::clear(a[j]);
				}
				for (int j = L[bel[r]]; j <= r; ++j) {
					BIT::clear(a[j]);
				}
			}
		}
	}
	for (int k = 1; k <= bel[n]; ++k) {
		mems(b, 0);
		for (int i = L[k]; i <= R[k]; ++i) {
			++b[a[i]];
		}
		for (int i = 1; i <= n; ++i) {
			b[i] += b[i - 1];
		}
		for (int i = 1; i <= n; ++i) {
			if (i < L[k]) {
				c[i] = c[i - 1] + b[a[i] - 1];
			} else if (i <= R[k]) {
				c[i] = c[i - 1];
			} else {
				c[i] = c[i - 1] + R[k] - L[k] + 1 - b[a[i]];
			}
		}
		for (int i = 1; i <= m; ++i) {
			bool fl = 0;
			ll s = 0;
			for (pii p : qq[i]) {
				int l = p.fst, r = p.scd;
				fl |= (l <= L[k] && R[k] <= r);
				s += c[r] - c[l - 1];
			}
			if (fl) {
				ans[i] += s;
			}
		}
	}
	for (int i = 1; i <= m; ++i) {
		writeln(ans[i]);
	}
}

int main() {
	int T = 1;
	// scanf("%d", &T);
	while (T--) {
		solve();
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 13546ms
memory: 37332kb

input:

500000 50174
453952 363686 491616 32825 57465 422945 471561 73291 421205 416554 23295 133266 242225 330448 25039 340064 28713 465664 162059 323880 28978 273728 101338 161413 294941 214275 63951 267981 294251 202822 253124 272510 3268 37918 139343 385983 111577 311901 487665 482827 347449 416029 3065...

output:

85880300489
79858577165
99516641140
77358819895
103833313350
66735598879
95383150693
66715137459
77703626890
72627585142
107155833849
99432221318
58627791832
108969201936
91792600575
78260276580
75849974606
74196872439
100220805120
113776766608
79836352754
71629574150
78589966218
71334671530
1047005...

result:

wrong answer 1st numbers differ - expected: '37140482224', found: '85880300489'

Subtask #2:

score: 0
Wrong Answer

Test #6:

score: 10
Accepted
time: 4266ms
memory: 33188kb

input:

500000 5
157360 289139 98034 293691 150262 268366 36782 147093 365410 444658 343224 375392 278298 357620 389673 167019 7747 119244 102126 83512 3649 459230 197365 245259 38071 249539 34617 213697 292553 389625 395778 280152 280038 239519 301475 232272 145919 370004 422791 271143 488283 185166 351026...

output:

50666226791
50440151159
50719090228
50631079493
50747050985

result:

ok 5 number(s): "50666226791 50440151159 50719090228 50631079493 50747050985"

Test #7:

score: 0
Wrong Answer
time: 4251ms
memory: 32640kb

input:

500000 5
70752 248917 41910 13653 177839 45858 54229 174152 10090 332231 437916 391622 432270 53875 446421 91921 461870 243336 363086 249844 338371 495447 423857 350363 365324 255747 170681 435791 177298 199582 240768 449011 302158 378518 233809 267343 362784 187864 114604 322031 255693 54447 406202...

output:

58595091968
81706308426
58330521801
79810075026
62373267184

result:

wrong answer 1st numbers differ - expected: '48041849427', found: '58595091968'

Subtask #3:

score: 0
Skipped

Dependency #1:

0%