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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#784408#9792. Ogre Sortorz_zWA 1ms8016kbC++143.6kb2024-11-26 14:55:542024-11-26 14:55:57

Judging History

This is the latest submission verdict.

  • [2024-11-26 14:55:57]
  • Judged
  • Verdict: WA
  • Time: 1ms
  • Memory: 8016kb
  • [2024-11-26 14:55:54]
  • Submitted

answer

//#pragma GCC optimize("Ofast,no-stack-protector")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
//#pragma GCC optimize("Ofast,fast-math")
//#pragma GCC target("avx,avx2")
//#pragma GCC optimize(2)
//#pragma GCC optimize(3)
//#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
//#define int long long
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef double db;
#define F(i, a, b) for(int i = a; i <= (b); ++i)
#define F2(i, a, b) for(int i = a; i < (b); ++i)
#define dF(i, a, b) for(int i = a; i >= (b); --i)
template<typename T> void debug(string s, T x) {
	cerr << "[" << s << "] = [" << x << "]\n";
}
template<typename T, typename... Args> void debug(string s, T x, Args... args) {
	for (int i = 0, b = 0; i < (int)s.size(); i++) if (s[i] == '(' || s[i] == '{') b++;
	else if (s[i] == ')' || s[i] == '}') b--;
	else if (s[i] == ',' && b == 0) {
		cerr << "[" << s.substr(0, i) << "] = [" << x << "] | ";
		debug(s.substr(s.find_first_not_of(' ', i + 1)), args...);
		break;
	}
}
#ifdef orzz
#define Debug(...) debug(#__VA_ARGS__, __VA_ARGS__)
#else
#define Debug(...)
#endif
#define pb push_back
#define fi first
#define se second
#define Mry fprintf(stderr, "%.3lf MB\n", (&Med - &Mbe) / 1048576.0)
#define Try cerr << 1e3 * clock() / CLOCKS_PER_SEC << " ms\n";
typedef long long ll;
// namespace Fread {const int SIZE = 1 << 17; char buf[SIZE], *S, *T; inline char getchar() {if (S == T) {T = (S = buf) + fread(buf, 1, SIZE, stdin); if (S == T) return '\n';} return *S++;}}
// namespace Fwrite {const int SIZE = 1 << 17; char buf[SIZE], *S = buf, *T = buf + SIZE; inline void flush() {fwrite(buf, 1, S - buf, stdout), S = buf;} inline void putchar(char c) {*S++ = c;if (S == T) flush();} struct NTR {~NTR() {flush();}} ztr;}
// #ifdef ONLINE_JUDGE
// #define getchar Fread::getchar
// #define putchar Fwrite::putchar
// #endif
inline int ri() {
	int x = 0;
	bool t = 0;
	char c = getchar();
	while (c < '0' || c > '9') t |= c == '-', c = getchar();
	while (c >= '0' && c <= '9') x = (x << 3) + (x << 1) + (c ^ 48), c = getchar();
	return t ? -x : x;
}
inline void wi(int x) {
	if (x < 0) {
		putchar('-'), x = -x;
	}
	if (x > 9) wi(x / 10);
	putchar(x % 10 + 48);
}
inline void wi(int x, char s) {
	wi(x), putchar(s);
}
bool Mbe;
// mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
const int mod = 998244353;
const int inf = 0x3f3f3f3f;
const ll infll = 0x3f3f3f3f3f3f3f3f;
const int _ = 3e5 + 5;

int n, a[_], b[_], val[_];
struct Bit {
	int C[_];
	void clear() {
		memset(C, 0, sizeof C);
	}
	void upd(int x, int v) {
		for(; x <= n; x += x & -x) C[x] += v;
	}
	int qry(int x) {
		int res = 0;
		for(; x; x -= x & -x) res += C[x];
		return res;
	}
} C;


bool flg[_];

struct node {
	int a, b, c;
};

bool Med;
signed main() {
	// Mry;
	n = ri();
	ll ans = 0;
	vector<node> Rs;
	F(i, 1, n) a[i] = ri(), b[a[i]] = i;
	
	F(i, 1, n) {
		int pos = C.qry(b[i]) + b[i];
		Debug(i, pos, b[i], C.qry(b[i]));
		if(pos == i) {
			continue;
		} else {
			Debug(i);
			flg[b[i]] = 1; // 这个值
			C.upd(1, 1);
			C.upd(b[i] + 1, -1);
		}
	}
	C.clear();
	dF(i, n, 1) if(flg[i]) {
		val[i] = C.qry(n) - C.qry(a[i]);
		Debug(i, val[i]);
		C.upd(a[i], 1);
	}
	C.clear();
	F(i, 1, n) {
		if(!flg[i]) {
			C.upd(a[i], 1);
		} else {
			Rs.pb((node){a[i], i + val[i], C.qry(a[i]) + 1});
			ans += C.qry(a[i]) + 1;
		}
	}
	sort(Rs.begin(), Rs.end(), [&](node a, node b) { return a.a > b.a;});
	cout << ans << ' ' << Rs.size() << '\n';
	for(node v : Rs) cout << v.b << ' ' << v.c << '\n';
	cout << '\n';
	// Try;
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 6148kb

input:

4
1 2 4 3

output:

3 1
4 3


result:

ok Participant's output is correct

Test #2:

score: 0
Accepted
time: 0ms
memory: 6756kb

input:

5
2 4 1 3 5

output:

3 2
4 2
4 1


result:

ok Participant's output is correct

Test #3:

score: 0
Accepted
time: 1ms
memory: 6896kb

input:

3
1 2 3

output:

0 0


result:

ok Participant's output is correct

Test #4:

score: 0
Accepted
time: 0ms
memory: 8016kb

input:

4
1 2 4 3

output:

3 1
4 3


result:

ok Participant's output is correct

Test #5:

score: 0
Accepted
time: 1ms
memory: 7048kb

input:

5
2 4 1 3 5

output:

3 2
4 2
4 1


result:

ok Participant's output is correct

Test #6:

score: 0
Accepted
time: 1ms
memory: 6372kb

input:

3
1 2 3

output:

0 0


result:

ok Participant's output is correct

Test #7:

score: 0
Accepted
time: 1ms
memory: 6164kb

input:

1
1

output:

0 0


result:

ok Participant's output is correct

Test #8:

score: 0
Accepted
time: 1ms
memory: 6764kb

input:

5
5 3 4 1 2

output:

4 4
3 1
3 1
5 1
5 1


result:

ok Participant's output is correct

Test #9:

score: 0
Accepted
time: 1ms
memory: 6700kb

input:

5
4 1 2 3 5

output:

3 3
4 1
4 1
4 1


result:

ok Participant's output is correct

Test #10:

score: 0
Accepted
time: 1ms
memory: 6984kb

input:

5
1 3 4 2 5

output:

2 1
4 2


result:

ok Participant's output is correct

Test #11:

score: -100
Wrong Answer
time: 1ms
memory: 6756kb

input:

5
1 4 5 2 3

output:

4 2
5 2
5 2


result:

wrong answer Integer parameter [name=participant answer] equals to 4, violates the range [0, 3]