Submission #1162677

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1162677	2025-03-06 13:42:45	nhphuc	Election Campaign (JOI15_election_campaign)	C++20	100 / 100	191 ms	41780 KiB

election_campaign

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#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N = 100100;
const int L = 18;
int n, m, a[N], b[N], c[N], dep[N], in[N], out[N], dp[N], sum[N], t[N * 4], par[N][L], timer = 0;
vector<int> adj[N], que[N];
void upd (int id, int l, int r, int k, int x){
    if (k > r){
        return;
    }
    if (l == r){
        t[id] += x;
        return;
    }
    int m = l + r >> 1;
    if (k <= m){
        upd(id * 2, l, m, k, x);
    } else {
        upd(id * 2 + 1, m + 1, r, k, x);
    }
    t[id] = t[id * 2] + t[id * 2 + 1];
    return;
}
int get (int id, int l, int r, int u, int v){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

election_campaign.cpp: In function 'int32_t main()':
election_campaign.cpp:114:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  114 |         freopen ("test.inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
election_campaign.cpp:115:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  115 |         freopen ("test.out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 30 / 30
• Subtask 5: 10 / 10
• Subtask 6: 40 / 40