Submission #148110

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
148110	2019-08-31 13:59:23	WhipppedCream	Valley (BOI19_valley)	C++17	100 / 100	1203 ms	107572 KiB

valley

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#include <bits/stdc++.h>
#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
using namespace std;
#define X first
#define Y second
#define pb push_back
typedef pair<int, int> ii;
typedef long long ll;
const int maxn = 1e5+5;
int n, k, q, e;
int len[maxn];
vector< ii > way[maxn];
vector< ii > adj[maxn];
int mp[maxn];
int sigan = 0;
struct node
{
  int key, pr;
  ll val, opt;
  node *left, *right;
  node(int key, ll val) : key(key), val(val)
  {
    opt = val;
    pr = (rand()<<16)^rand();
    left = right = NULL;
 
 
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Compilation message (stderr)

valley.cpp: In function 'int main()':
valley.cpp:211:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d %d", &n, &k, &q, &e);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
valley.cpp:215:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d", &u, &v, &w);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
valley.cpp:243:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int x; scanf("%d", &x);
          ~~~~~^~~~~~~~~~
valley.cpp:255:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int r, me; scanf("%d %d", &r, &me);
              ~~~~~^~~~~~~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 27 / 27
• Subtask 3: 23 / 23
• Subtask 4: 41 / 41