Submission #917597

#	Time	Username	Problem	Language	Result	Execution time	Memory
917597		hariaakas646	Rainforest Jumps (APIO21_jumps)	C++14	Compilation error	0 ms	0 KiB

jumps

    #include "jumps.h"
    #include <bits/stdc++.h>
     
    using namespace std;
     
    #define scd(t) scanf("%d", &t)
    #define sclld(t) scanf("%lld", &t)
    #define forr(i, l, r) for(int i=l; i<r; i++)
    #define frange(i, l) forr(i, 0, l)
    #define pb push_back
    #define mp make_pair
    #define f first
    #define s second
    #define all(x) x.begin(), x.end()
     
    typedef vector<int> vi;
    typedef pair<int, int> pii;
    typedef vector<pii> vii;
    typedef long long lli;
    typedef vector<vi> vvi;
    typedef vector<lli> vll;
    typedef vector<bool> vb;
    typedef set<int> seti;
    typedef multiset<int> mseti;
     
    vvi graph;
    int n;
     
    void init(int N, std::vector<int> h) {
      n = N;
      graph = vvi(n);
      deque<int> dq;
      frange(i, n) {
        while(dq.size() && h[i] >= h[dq.back()]) dq.pop_back();
        if(dq.size()) graph[i].pb(dq.back());
        dq.pb(i);
      }
     
      dq = {};
     
      for(int i=n-1; i>=0; i--) {
        while(dq.size() && h[i] >= h[dq.back()]) dq.pop_back();
        if(dq.size()) graph[i].pb(dq.back());
        dq.pb(i);
      }
     
    }
     
    int minimum_jumps(int A, int B, int C, int D) {
     
      // queue<pii> q;
      // forr(i, A, B+1) q.push(mp(i, 0));
      // vb vis(n);
     
      // while(q.size()) {
      //   auto p = q.front();
      //   q.pop();
     
      //   if(C <= p.f && p.f <= D) return p.s;
      //   if(vis[p.f]) continue;
      //   vis[p.f] = true;
     
      //   for(auto e : graph[p.f]) {
      //     q.push(mp(e, p.s+1));
      //   }
      // }
     
      if(d < a)
        return -1;
      else return max(0, C - D);
    }

Compilation message (stderr)

jumps.cpp: In function 'int minimum_jumps(int, int, int, int)':
jumps.cpp:68:10: error: 'd' was not declared in this scope
   68 |       if(d < a)
      |          ^
jumps.cpp:68:14: error: 'a' was not declared in this scope
   68 |       if(d < a)
      |              ^
jumps.cpp:71:5: warning: control reaches end of non-void function [-Wreturn-type]
   71 |     }
      |     ^