Submission #884421

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
884421	2023-12-07 10:18:45	chanhchuong123	Synchronization (JOI13_synchronization)	C++14	100 / 100	245 ms	24748 KiB

synchronization

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#include <bits/stdc++.h>
using namespace std;
#define task ""
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
const int MAX = 100010;
int n, m, q;
int timer;
int tin[MAX];
int bit[MAX];
int tout[MAX];
bool active[MAX];
int anc[17][MAX];
int a[MAX], c[MAX];
vector<int> adj[MAX];
pair<int, int> edges[MAX];
void update(int id, int delta) {
    for (; id <= n; id += id & -id)
        bit[id] += delta;
}
int get(int id) {
    int res = 0;
    for (; id > 0; id -= id & -id)
        res += bit[id];
    return  res;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

synchronization.cpp: In function 'int main()':
synchronization.cpp:56:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   56 |   freopen(task".inp", "r",  stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
synchronization.cpp:57:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   57 |   freopen(task".out", "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40