Submission #424895

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
424895	2021-06-12 11:18:00	Mamnoon_Siam	Two Antennas (JOI19_antennas)	C++17	13 / 100	3080 ms	16620 KiB

antennas

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// https://codeforces.com/blog/entry/66022?#comment-500622
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ii = pair<int, int>;
using vi = vector<int>;
#define all(v) begin(v), end(v)
#define sz(v) (int)(v).size()
#define fi first
#define se second
const int inf = 1e9 + 9;
struct Node {
  vector<int> c, d;
  Node(int _, int n) {
    c.assign(n, -inf);
    d.assign(n, -inf);
  }
  void update_ci(int pos, int val) {
    c[pos-1] = val;
  }
  void update_di(int L, int R, int val) {
    for(int i = L-1; i < R; ++i) {
      d[i] = max(d[i], c[i] + val);
    }
  }
  int get_max_di(int L, int R) {
 
 
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Compilation message (stderr)

antennas.cpp: In function 'int main(int, const char**)':
antennas.cpp:132:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  132 |   scanf("%d", &n);
      |   ~~~~~^~~~~~~~~~
antennas.cpp:134:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  134 |     scanf("%d %d %d", &H[i], &A[i], &B[i]);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
antennas.cpp:136:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  136 |   scanf("%d", &q);
      |   ~~~~~^~~~~~~~~~
antennas.cpp:138:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  138 |     scanf("%d %d", &L[i], &R[i]);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 11 / 11
• Subtask 3: 0 / 22
• Subtask 4: 0 / 65