Submission #363499

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
363499	2021-02-06 09:45:48	Lam_lai_cuoc_doi	Fire (JOI20_ho_t5)	C++17	100 / 100	415 ms	89172 KiB

ho_t5

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#include <iostream>
#include <cstdio>
#include <vector>
#include <cstring>
#define task "A"
using namespace std;
using ll = long long;
using ld = long double;
const int N = 2e5 + 5;
struct FenwickTree
{
    ll a[N];
    int n;
    FenwickTree()
    {
        memset(a, 0, sizeof a);
    }
    void Clear()
    {
        memset(a, 0, sizeof a);
    }
    void Update(int p, ll v)
    {
        for (; p <= n; p += p & -p)
            a[p] += v;
    }
    ll Get(int p)
    {
        ll ans(0);
 
 
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Compilation message (stderr)

ho_t5.cpp: In function 'int32_t main()':
ho_t5.cpp:124:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  124 |         freopen(task ".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
ho_t5.cpp:125:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  125 |         freopen(task ".OUT", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 1 / 1
• Subtask 2: 6 / 6
• Subtask 3: 7 / 7
• Subtask 4: 6 / 6
• Subtask 5: 80 / 80