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Submission #72020

# Submission time Handle Problem Language Result Execution time Memory
72020 2018-08-26T04:46:23 Z (#2175, xdoju, kazel, pps789) Box Run (FXCUP3_box) C++17
100 / 100
 189 ms 7640 KB 
#include <cstdio>
#include <climits>
#include <stack>
using namespace std;

struct S { int x, h; };

int p[500002];
int ans[500002];

stack<S> st;

int main(){
  int N; scanf("%d", &N);
  for(int i = 1; i <= N; i++) scanf("%d", &p[i]);

  for(int i = 1; i <= N; i++) ans[i] = -1;

  st.push({ 0, INT_MAX });

  int last = 0;

  for(int i = 1; i <= N; i++){
    while(!st.empty() && p[i] > st.top().h){
      st.pop();
    }

    int width = i - st.top().x - 1;

    if(width > last){
      for(int x = last + 1; x <= width; x++) ans[x] = i - x;
      last = width;
    }

    st.push({ i, p[i] });
  }

  for(int i = 1; i <= N; i++) printf("%d ", ans[i]);
  printf("\n");
  return 0;
}

Compilation message

box.cpp: In function 'int main()':
box.cpp:14:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int N; scanf("%d", &N);
          ~~~~~^~~~~~~~~~
box.cpp:15:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   for(int i = 1; i <= N; i++) scanf("%d", &p[i]);
                               ~~~~~^~~~~~~~~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 560 KB Output is correct
4 Correct 2 ms 596 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 2 ms 596 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 3 ms 596 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 3 ms 600 KB Output is correct

Subtask #2
83.0 / 83.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 560 KB Output is correct
4 Correct 2 ms 596 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 2 ms 596 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 3 ms 596 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 3 ms 600 KB Output is correct
12 Correct 2 ms 632 KB Output is correct
13 Correct 3 ms 632 KB Output is correct
14 Correct 20 ms 1144 KB Output is correct
15 Correct 28 ms 1548 KB Output is correct
16 Correct 41 ms 1816 KB Output is correct
17 Correct 81 ms 3980 KB Output is correct
18 Correct 118 ms 5052 KB Output is correct
19 Correct 134 ms 6588 KB Output is correct
20 Correct 189 ms 7640 KB Output is correct
21 Correct 161 ms 7640 KB Output is correct