Submission #125559

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
125559	2019-07-05 23:49:53	eriksuenderhauf	Valley (BOI19_valley)	C++11	100 / 100	289 ms	39772 KiB

valley

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#include <bits/stdc++.h>
#define pii pair<int,int>
#define pil pair<int,long long>
#define vii vector<pii>
#define vil vector<pil>
#define pb push_back
#define fi first
#define se second
#define mp make_pair
using namespace std;
typedef long long ll;
const int MAXN = 1e5 + 5;
const ll INF = 1e18 + 7;
int par[19][MAXN], dep[MAXN];
int sh[MAXN], mrk[MAXN];
ll depth[MAXN], nx2[MAXN], nxPar[19][MAXN];
vil adj[MAXN];
pair<pii,ll> edg[MAXN];
void dfs(int u, int p, ll d, int d2) {
  depth[u] = d;
  dep[u] = d2;
  if (mrk[u]) 
    nx2[u] = d;
  else 
    nx2[u] = INF;
  for (pil nx: adj[u]) {
    int v; ll w;
    tie(v, w) = nx;
    if (v == p) continue;
 
 
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Compilation message (stderr)

valley.cpp: In function 'int main()':
valley.cpp:52:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d %d", &n, &s, &q, &e);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
valley.cpp:56:8: 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:63:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &sh[j]);
   ~~~~~^~~~~~~~~~~~~~
valley.cpp:80:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &i, &r);
   ~~~~~^~~~~~~~~~~~~~~~~

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