Submission #1104155

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1104155	2024-10-23 03:40:21	InvMOD	Synchronization (JOI13_synchronization)	C++14	100 / 100	222 ms	26960 KiB

synchronization

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#include<bits/stdc++.h>
using namespace std;
const int N = 1e5+5;
const int lg = 21;
int n, m, q, timerDFS, tin[N], tout[N], h[N], par[lg][N], bit[N<<1], info[N], last_sync[N];
pair<int,int> E[N];
bool on[N];
vector<int> adj[N];
void update(int p, int val){
    for(; p <= timerDFS; p += (p & (-p))) bit[p] += val;
}
int get(int p){
    int res = 0;
    for(; p; p -= (p & (-p))) res += bit[p];
    return res;
}
void dfs(int x, int p){
    tin[x] = ++timerDFS;
    info[x] = 1;
    for(int v : adj[x])if(v != p){
        h[v] = h[x] + 1;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

synchronization.cpp: In function 'int32_t main()':
synchronization.cpp:105:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  105 |         freopen(name".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
synchronization.cpp:106:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  106 |         freopen(name".OUT", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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