Submission #62730

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
62730	2018-07-29 22:27:26	kingpig9	Bitaro’s Party (JOI18_bitaro)	C++11	100 / 100	1988 ms	416788 KiB

bitaro

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 1e5 + 10;
const int SQRT = 320;
#define debug(...) fprintf(stderr, __VA_ARGS__)
#define fi first
#define se second
#define all(v) (v).begin(), (v).end()
#define fillchar(a, s) memset((a), (s), sizeof(a))
int N, M, Q;
vector<int> adj[MAXN], radj[MAXN];
vector<pii> far[MAXN];  //farthest SQRT vertices: pair(dist, vertex)
pii tmp[2 * SQRT];
bool vis[MAXN];
void merge (vector<pii> &v, const vector<pii> &w) {
  int sz = merge(all(v), all(w), tmp, greater<pii> ()) - tmp;
  v.clear();
  for (int i = 0; i < sz && v.size() < SQRT; i++) {
    if (!vis[tmp[i].se]) {
      v.push_back(tmp[i]);
      vis[tmp[i].se] = true;
 
 
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Compilation message (stderr)

bitaro.cpp: In function 'int main()':
bitaro.cpp:43:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d", &N, &M, &Q);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
bitaro.cpp:46:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &x, &y);
   ~~~~~^~~~~~~~~~~~~~~~~
bitaro.cpp:65:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &x, &sz);
   ~~~~~^~~~~~~~~~~~~~~~~~
bitaro.cpp:68:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d", &c);
    ~~~~~^~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 7 / 7
• Subtask 3: 86 / 86