Submission #197703

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
197703	2020-01-22 12:46:12	quocnguyen1012	Triple Jump (JOI19_jumps)	C++14	100 / 100	1357 ms	104568 KiB

jumps

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#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define pb push_back
using namespace std;
typedef long long ll;
const int maxn = 5e5 + 5;
const ll inf = 1e17;
class node
{
public:
  ll mx, mx_arr, ret;
  node(ll mx = 0, ll mx_arr = 0, ll ret = 0):
    mx(mx), mx_arr(mx_arr), ret(ret) {}
  node operator + (const node & other) const
  {
    node res;
    res.ret = max({ret, other.ret, mx_arr + other.mx});
    res.mx = max(mx, other.mx);
    res.mx_arr = max(mx_arr, other.mx_arr);
    return res;
  }
};
class segment_tree
 
 
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Compilation message (stderr)

jumps.cpp: In function 'int main()':
jumps.cpp:73:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("A.INP", "r", stdin);
     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
jumps.cpp:74:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("A.OUT", "w", stdout);
     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

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