Submission #515657

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
515657	2022-01-19 12:34:18	79brue	Triple Jump (JOI19_jumps)	C++14	100 / 100	836 ms	80104 KiB

jumps

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
struct Query {
    int l, r, idx;
    Query(){}
    Query(int l, int r, int idx): l(l), r(r), idx(idx){}
};
struct segTree{
    struct Node{
        int l, r, v;
        Node(){}
        Node(int l, int r, int v): l(l), r(r), v(v){}
        Node operator+(const Node &nxt)const{
            return Node(max(l, nxt.l), max(r, nxt.r), max({v, nxt.v, l+nxt.r}));
        }
    } tree[2000002];
    void init(int i, int l, int r, int *arr){
        if(l==r){
            tree[i] = Node(-1e9, arr[l], -1e9);
            return;
        }
        int m = (l+r)>>1;
        init(i*2, l, m, arr);
 
 
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Compilation message (stderr)

jumps.cpp: In function 'int main()':
jumps.cpp:74:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   74 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
jumps.cpp:75:34: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   75 |     for(int i=1; i<=n; i++) scanf("%d", &arr[i]);
      |                             ~~~~~^~~~~~~~~~~~~~~
jumps.cpp:77:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |     scanf("%d", &q);
      |     ~~~~~^~~~~~~~~~
jumps.cpp:80:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   80 |         scanf("%d %d", &l, &r);
      |         ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 14 / 14
• Subtask 3: 27 / 27
• Subtask 4: 54 / 54