제출 #1103954

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1103954	2024-10-22 12:47:41	TrendBattles	3단 점프 (JOI19_jumps)	C++14	100 / 100	812 ms	72412 KiB

jumps

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#include <bits/stdc++.h>
using namespace std;
using lli = int64_t;
#define INFILE "tjump.inp"
#define OUTFILE "tjump.out"
int maximise(int& x, int y) {
    if (x < y) return x = y, true;
    return false;
}
const int MAX_N = (int) 5e5;
int value[MAX_N + 10];
//int debugging = false;
struct SegmentTree {
    vector <int> max_value, max_lazy, max_all;
    int N;
    void build(int v, int tl, int tr) {
        if (tl == tr) {
            max_value[v] = value[tl];
            return;
        }
        int tm = (tl + tr) >> 1;
        build(v << 1, tl, tm);
        build(v << 1 | 1, tm + 1, tr);
        max_value[v] = max(max_value[v << 1], max_value[v << 1 | 1]);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

jumps.cpp: In constructor 'SegmentTree::SegmentTree(int)':
jumps.cpp:19:9: warning: 'SegmentTree::N' will be initialized after [-Wreorder]
   19 |     int N;
      |         ^
jumps.cpp:18:18: warning:   'std::vector<int> SegmentTree::max_value' [-Wreorder]
   18 |     vector <int> max_value, max_lazy, max_all;
      |                  ^~~~~~~~~
jumps.cpp:32:5: warning:   when initialized here [-Wreorder]
   32 |     SegmentTree(int N): N(N), max_value(N << 2), max_lazy(N << 2), max_all(N << 2) {
      |     ^~~~~~~~~~~
jumps.cpp: In function 'int main()':
jumps.cpp:86:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   86 |         freopen(INFILE, "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~
jumps.cpp:87:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   87 |         freopen(OUTFILE, "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

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