Submission #906744

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
906744	2024-01-14 23:43:45	typ_ik	Synchronization (JOI13_synchronization)	C++17	0 / 100	773 ms	262144 KiB

synchronization

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#include <bits/stdc++.h>
#define ll long long
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define watch(x) cout << (#x) << " : " << x << '\n'
#define boost ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
using namespace std; 
const int N = 3e5 + 128;
const int LOG = 20;
vector <int> g[N];
pair <int, int> edges[N];
int n, m, q;
int lift[N][LOG], depth[N], tin[N], tout[N];
int timer = 0;
int t[N], ans[N];
int sum(int r) {
    int ans = 0;
    for (; r >= 0; r = (r & (r + 1)) - 1)
        ans += t[r];
    return ans;
} 
void add(int idx, int val) {
    for (; idx < n; idx = idx | (idx + 1))
        t[idx] += val;
} 
 
 
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Compilation message (stderr)

synchronization.cpp: In function 'int update(int, int)':
synchronization.cpp:80:1: warning: no return statement in function returning non-void [-Wreturn-type]
   80 | }
      | ^
synchronization.cpp: At global scope:
synchronization.cpp:133:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  133 | main() {
      | ^~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 10
• Subtask 4: 0 / 20
• Subtask 5: 0 / 40