Submission #143810

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
143810	2019-08-15 08:37:17	ainta	Rectangles (IOI19_rect)	C++17	100 / 100	3590 ms	803572 KiB

rect

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#include "rect.h"
#include <cstdio>
#include <algorithm>
#include <vector>
using namespace std;
int n, m, w[2600][2600], T[2600];
vector<int>Right[2600][2600], Down[2600][2600];
int st[2600], RR[2600], LL[2600];
void PreCalc(int n) {
  int i, top = 0;
  for (i = 1; i <= n; i++)RR[i] = LL[i] = 0;
  for (i = 1; i <= n; i++) {
    while (top && T[st[top]] <= T[i]) {
      RR[st[top]] = i;
      top--;
    }
    st[++top] = i;
  }
  top = 0;
  for (i = n; i >= 1; i--) {
    while (top && T[st[top]] <= T[i]) {
      LL[st[top]] = i;
      top--;
    }
    st[++top] = i;
  }
}
 
 
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• Subtask 2: 7 / 7
• Subtask 3: 12 / 12
• Subtask 4: 22 / 22
• Subtask 5: 10 / 10
• Subtask 6: 13 / 13
• Subtask 7: 28 / 28