제출 #691449

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
691449	2023-01-31 07:22:47	drdilyor	Bigger segments (IZhO19_segments)	C++17	100 / 100	123 ms	27124 KiB

segments

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#include <bits/stdc++.h>
#ifdef ONPC
    #include "t_debug.cpp"
#else
    #define debug(...) 42
#endif
using namespace std;
//namespace pbds = __gnu_pbds;
using ll = long long;
const int inf = 1e9;
const ll infl = 1e18;
const int RANDOM = chrono::high_resolution_clock::now().time_since_epoch().count();
mt19937 rng(RANDOM);
template<typename T, typename U> istream& operator>>(istream& is, pair<T, U>& p) { return is >> p.first >> p.second; }
template<typename Cont> int sz(const Cont& cont) { return int(cont.size()); }
const string fileio = "";
constexpr int tests = 0, nmax = 2e5, nlog = __lg(nmax), mod = 1e9+7;
int nextPower2(int n) {
    n--;
    n |= n >> 1;
    n |= n >> 2;
    n |= n >> 4;
    n |= n >> 8;
    n |= n >> 16;
    return 1+n;
}
struct SegTree {
    int n;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

segments.cpp: In function 'int solve()':
segments.cpp:5:24: warning: statement has no effect [-Wunused-value]
    5 |     #define debug(...) 42
      |                        ^~
segments.cpp:70:5: note: in expansion of macro 'debug'
   70 |     debug(dp);
      |     ^~~~~
segments.cpp: In function 'int main()':
segments.cpp:81:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   81 |     if (fileio.size()) {freopen((fileio+".in").c_str(),"r",stdin);freopen((fileio+".out").c_str(),"w",stdout);}
      |                         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
segments.cpp:81:74: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   81 |     if (fileio.size()) {freopen((fileio+".in").c_str(),"r",stdin);freopen((fileio+".out").c_str(),"w",stdout);}
      |                                                                   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 10 / 10
• Subtask 4: 36 / 36
• Subtask 5: 27 / 27