oj.uz

Submission #55100

# Submission time Handle Problem Language Result Execution time Memory
55100 2018-07-06T04:50:19 Z ainta(#1558) Sushi (JOI16_sushi) C++11
5 / 100
 329 ms 2816 KB 
#include<cstdio>
#include<algorithm>
#include<queue>
#define BB 12
using namespace std;
int n, Q;
struct point {
	int P[1<<BB], SZ;
	int U[1<<BB], UC;
	priority_queue<int>PQ;
	void init() {
		int i;
		for (i = UC - 1; i >= 0; i--) {
			P[U[i]] = PQ.top();
			PQ.pop();
		}
	}
	void Make() {
		int i, Mx = -1;
		UC = 0;
		while (!PQ.empty())PQ.pop();
		for (i = 0; i < SZ; i++) {
			if (Mx < P[i]) {
				Mx = P[i];
				U[UC++] = i;
				PQ.push(P[i]);
			}
		}
	}
	int Go(int x) {
		PQ.push(x);
		int ret = PQ.top();
		PQ.pop();
		return ret;
	}
}w[(400000>>BB)+2];
int Do(int b, int e, int x) {
	for (int i = (b >> BB); i <= (e >> BB); i++) {
		int bb = (i << BB), ee = min(((i + 1) << BB) - 1, n - 1);
		if (b <= bb && ee <= e) {
			x = w[i].Go(x);
		}
		else{
			w[i].init();
			bb = max(b, bb)&((1 << BB) - 1);
			ee = min(e, ee)&((1 << BB) - 1);
			for (int j = bb; j <= ee; j++) {
				if (w[i].P[j] > x) {
					swap(w[i].P[j], x);
				}
			}
			w[i].Make();
		}
	}
	return x;
}
int main() {
	int i, b, e, c;
	scanf("%d%d", &n, &Q);
	for (i = 0; i < n; i++) {
		scanf("%d", &w[i>>BB].P[i&((1<<BB)-1)]);
		w[i >> BB].SZ++;
	}
	for (i = 0; i <= ((n - 1) >> BB); i++)w[i].Make();
	while (Q--) {
		scanf("%d%d%d", &b, &e, &c);
		b--, e--;
		if (b > e) {
			printf("%d\n",Do(0, e, Do(b, n - 1, c)));
		}
		else {
			printf("%d\n", Do(b, e, c));
		}
	}
}

Compilation message

telegraph.cpp: In function 'int main()':
telegraph.cpp:59:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &Q);
  ~~~~~^~~~~~~~~~~~~~~~
telegraph.cpp:61:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &w[i>>BB].P[i&((1<<BB)-1)]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
telegraph.cpp:66:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &b, &e, &c);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 760 KB Output is correct
2 Correct 17 ms 760 KB Output is correct
3 Correct 20 ms 832 KB Output is correct
4 Correct 17 ms 1052 KB Output is correct
5 Correct 19 ms 1052 KB Output is correct
6 Correct 16 ms 1052 KB Output is correct
7 Correct 14 ms 1052 KB Output is correct
8 Correct 15 ms 1052 KB Output is correct
9 Correct 22 ms 1052 KB Output is correct
10 Correct 13 ms 1052 KB Output is correct
11 Correct 329 ms 1256 KB Output is correct
12 Correct 310 ms 1256 KB Output is correct
13 Correct 222 ms 1256 KB Output is correct
14 Correct 26 ms 1256 KB Output is correct
15 Correct 22 ms 1256 KB Output is correct
16 Correct 7 ms 1256 KB Output is correct
17 Correct 3 ms 1256 KB Output is correct
18 Correct 2 ms 1256 KB Output is correct
19 Correct 3 ms 1256 KB Output is correct
20 Correct 3 ms 1256 KB Output is correct
21 Correct 3 ms 1256 KB Output is correct
22 Correct 2 ms 1256 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 149 ms 2816 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 760 KB Output is correct
2 Correct 17 ms 760 KB Output is correct
3 Correct 20 ms 832 KB Output is correct
4 Correct 17 ms 1052 KB Output is correct
5 Correct 19 ms 1052 KB Output is correct
6 Correct 16 ms 1052 KB Output is correct
7 Correct 14 ms 1052 KB Output is correct
8 Correct 15 ms 1052 KB Output is correct
9 Correct 22 ms 1052 KB Output is correct
10 Correct 13 ms 1052 KB Output is correct
11 Correct 329 ms 1256 KB Output is correct
12 Correct 310 ms 1256 KB Output is correct
13 Correct 222 ms 1256 KB Output is correct
14 Correct 26 ms 1256 KB Output is correct
15 Correct 22 ms 1256 KB Output is correct
16 Correct 7 ms 1256 KB Output is correct
17 Correct 3 ms 1256 KB Output is correct
18 Correct 2 ms 1256 KB Output is correct
19 Correct 3 ms 1256 KB Output is correct
20 Correct 3 ms 1256 KB Output is correct
21 Correct 3 ms 1256 KB Output is correct
22 Correct 2 ms 1256 KB Output is correct
23 Incorrect 149 ms 2816 KB Output isn't correct
24 Halted 0 ms 0 KB -