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Submission #135336

# Submission time Handle Problem Language Result Execution time Memory
135336 2019-07-24T03:36:29 Z Just_Solve_The_Problem Bulldozer (JOI17_bulldozer) C++11
5 / 100
 2 ms 376 KB 
#include <bits/stdc++.h>

#define ll long long

using namespace std;

const int N = (int)2e3 + 7;

int a[N];
int x[N], y[N], w[N], pos[N];
int n;
ll pref[N];

main() {
  scanf("%d", &n);
  iota(pos, pos + n, 0);
  for (int i = 0; i < n; i++) {
    scanf("%d %d %d", &x[i], &y[i], &w[i]);
  }
  sort(pos, pos + n, [&](const int &A, const int &B){
    return x[A] < x[B];
  });
  ll mn = 0, ans = 0;
  for (int i = 0; i < n; i++) {
    if (i) pref[i] = pref[i - 1];
    pref[i] += w[pos[i]];
    ans = max((pref[i] - mn), ans);
    mn = min(mn, pref[i]);
  }
  cout << ans;
}

Compilation message

bulldozer.cpp:14:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
bulldozer.cpp: In function 'int main()':
bulldozer.cpp:15:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &n);
   ~~~~~^~~~~~~~~~
bulldozer.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d", &x[i], &y[i], &w[i]);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 360 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 35.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 360 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Incorrect 2 ms 376 KB Output isn't correct
17 Halted 0 ms 0 KB -