Submission #736118

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
736118	2023-05-05 08:42:12	nguyentunglam	Passport (JOI23_passport)	C++17	100 / 100	862 ms	85324 KiB

passport

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#include<bits/stdc++.h>
#define fi first
#define se second
#define endl "\n"
#define ii pair<int, int>
using namespace std;
const int N = 8e5 + 10;
int f[N], g[N], h[N], p[N];
bool mark[N];
vector<ii> adj[N];
priority_queue<ii, vector<ii>, greater<ii> > q;
void calc(int start, int d[]) {
    d[start] = 0;
    q.push({0, start});
    while (!q.empty()) {
        int cost, u; tie(cost, u) = q.top(); q.pop();
        if (d[u] != cost) continue;
        for(auto &[v, w] : adj[u]) if (d[v] > d[u] + w) d[v] = d[u] + w, q.push({d[v], v});
    }
}
void init(int s, int l, int r) {
    if (l == r) {
        mark[s] = 1;
        p[l] = s;
        return;
    }
    adj[s << 1].emplace_back(s, 0);
    adj[s << 1 | 1].emplace_back(s, 0);
    int mid = l + r >> 1;
 
 
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Compilation message (stderr)

passport.cpp: In function 'void init(int, int, int)':
passport.cpp:30:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   30 |     int mid = l + r >> 1;
      |               ~~^~~
passport.cpp: In function 'void add(int, int, int, int, int, int)':
passport.cpp:41:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   41 |     int mid = l + r >> 1;
      |               ~~^~~
passport.cpp: In function 'int main()':
passport.cpp:50:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |         freopen ("task.inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
passport.cpp:51:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |         freopen ("task.out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
passport.cpp:54:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |         freopen (task".inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
passport.cpp:55:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |         freopen (task".out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 16 / 16
• Subtask 3: 24 / 24
• Subtask 4: 8 / 8
• Subtask 5: 46 / 46