제출 #590053

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
590053	2022-07-05 13:48:24	Tien_Noob	3단 점프 (JOI19_jumps)	C++17	100 / 100	854 ms	59760 KiB

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//Make CSP great again
//Vengeance
#include <bits/stdc++.h>
#define TASK "TESTCODE"
#define Log2(x) 31 - __builtin_clz(x)
using namespace std;
const int N = 5e5;
int a[N + 1], res[N + 1], n, q;
vector<pair<int, int> > query[N + 1];
struct SegmentTree
{
    int add[4 * N + 1], mx[4 * N + 1], lazy[4 * N + 1];
    void buildtree(int v, int TreeL, int TreeR)
    {
        add[v] = lazy[v] = 0;
        if (TreeL == TreeR)
        {
            mx[v] = a[TreeL];
            return ;
        }
        int mid = (TreeL + TreeR)/2;
        buildtree(v * 2, TreeL, mid);
        buildtree(v * 2 + 1, mid + 1, TreeR);
        mx[v] = max(mx[2 * v], mx[2 * v + 1]);
    }
    void down(int v)
    {
        add[2 * v] = max(add[2 * v], lazy[v] + mx[2 * v]);
        add[2 * v + 1] = max(add[2 * v + 1], lazy[v] + mx[2 * v + 1]);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

jumps.cpp: In function 'int main()':
jumps.cpp:117:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  117 |         freopen(TASK".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

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