Submission #261391

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
261391	2020-08-11 17:03:43	Nightlight	Aesthetic (NOI20_aesthetic)	C++14	0 / 100	605 ms	108288 KiB

Aesthetic

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#include <cstdio>
#include <queue>
#include <cstring>
#define pii pair<long long, int>
using namespace std;
 
int N, M;
vector<pii> adj[300005];
priority_queue<pii, vector<pii>, greater<pii>> pq;
long long dist[2][300005];
int U[300005], V[300005];
bool can[300005], ada[300005];
long long W[300005], best[300005];
vector<pair<int, int>> adj2[300005];
int disc[300005], low[300005], waktu, need;
long long p1[300005], p2[300005], pp1[300005], pp2[300005];
bool ok;
 
void BFS(int id, int st) {
  memset(ada, 0, sizeof(ada));
  pq.emplace(0LL, st);
  dist[id][st] = 0;
  int u, v;
  long long len, w;
  while(!pq.empty()) {
    len = pq.top().first;
    if(len != dist[id][u]) {pq.pop(); continue;}
    u = pq.top().second;
    pq.pop();
    for(pii now : adj[u]) {
 
 
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Compilation message (stderr)

Aesthetic.cpp: In function 'int main()':
Aesthetic.cpp:76:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &N, &M);
   ~~~~~^~~~~~~~~~~~~~~~~
Aesthetic.cpp:80:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %lld", &u, &v, &w);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
Aesthetic.cpp: In function 'void BFS(int, int)':
Aesthetic.cpp:27:25: warning: 'u' may be used uninitialized in this function [-Wmaybe-uninitialized]
     if(len != dist[id][u]) {pq.pop(); continue;}
               ~~~~~~~~~~^

• Subtask 1: 0 / 5
• Subtask 2: 0 / 8
• Subtask 3: 0 / 7
• Subtask 4: 0 / 15
• Subtask 5: 0 / 16
• Subtask 6: 0 / 22
• Subtask 7: 0 / 27