Submission #140195

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
140195	2019-08-02 08:48:52	arman_ferdous	Triple Jump (JOI19_jumps)	C++11	100 / 100	1397 ms	134264 KiB

jumps

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 5e5+10;
const ll oo = 1e18;
int n;
ll a[N];
deque<pair<int,int>>q;
vector<pair<int,int>> rel;
struct data{
  ll ab, c, sum;
  data(ll x = -oo,ll y = -oo, ll z = -oo) {
    ab = x, c = y, sum = z;
  }
}t[N<<2];
data merge(data L, data R) {
  return data({max(L.ab, R.ab), max(L.c, R.c), max({L.sum, R.sum, L.ab + R.c})});
}
void updAB(int node, int L, int R, int pos, ll x) {
  if(L == R) {
    t[node].ab = max(t[node].ab, x);
    t[node].sum = t[node].ab + t[node].c;
    return;
  } int mid = (L + R) >> 1, lc = node << 1, rc = lc | 1;
  if(pos <= mid) updAB(lc, L, mid, pos, x);
 
 
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Compilation message (stderr)

jumps.cpp: In function 'int main()':
jumps.cpp:60:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
jumps.cpp:62:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &a[i]);
   ~~~~~^~~~~~~~~~~~~~~
jumps.cpp:74:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int m; scanf("%d", &m);
         ~~~~~^~~~~~~~~~
jumps.cpp:76:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int l, r; scanf("%d %d", &l, &r);
             ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 14 / 14
• Subtask 3: 27 / 27
• Subtask 4: 54 / 54