Submission #289175

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
289175	2020-09-02 12:39:22	emil_physmath	Wall (IOI14_wall)	C++17	61 / 100	1319 ms	29308 KiB

wall

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#include "wall.h"
#include <algorithm>
#include <iostream>
#include <random>
#include <chrono>
using namespace std;
using llong = long long;
#define BUGO(x) cerr << #x << " = " << (x) << '\n';
#define BUGOARR(a) {cerr << #a << ": "; for (auto i: a) cerr << i << ' '; cerr << '\n';}
#ifndef MANSON
#define BUGO(x)
#define BUGOARR(x)
#endif
ostream& operator<<(ostream& out, const pair<auto, auto>& p) {
  out << "{" << p.first << ", " << p.second << "}";
}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
inline int rnd(int l, int r) { return uniform_int_distribution<int>(l, r)(rng); }
const int maxN = 100'000;
struct Upd {
    pair<int, char> a, b;
    Upd()
        : a(0, 'U')
        , b(1000'000'000, 'D')
    {}
};
Upd operator+(Upd l, pair<int, char> i) {
    if (l.b.second == i.second) {
        if (i.second == 'U' && i.first > l.b.first) l.b = i;
        if (i.second == 'D' && i.first < l.b.first) l.b = i;
 
 
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Compilation message (stderr)

wall.cpp:11: warning: "BUGO" redefined
   11 | #define BUGO(x)
      | 
wall.cpp:8: note: this is the location of the previous definition
    8 | #define BUGO(x) cerr << #x << " = " << (x) << '\n';
      | 
wall.cpp:12: warning: "BUGOARR" redefined
   12 | #define BUGOARR(x)
      | 
wall.cpp:9: note: this is the location of the previous definition
    9 | #define BUGOARR(a) {cerr << #a << ": "; for (auto i: a) cerr << i << ' '; cerr << '\n';}
      | 
wall.cpp:14:46: warning: use of 'auto' in parameter declaration only available with '-fconcepts'
   14 | ostream& operator<<(ostream& out, const pair<auto, auto>& p) {
      |                                              ^~~~
wall.cpp:14:52: warning: use of 'auto' in parameter declaration only available with '-fconcepts'
   14 | ostream& operator<<(ostream& out, const pair<auto, auto>& p) {
      |                                                    ^~~~
wall.cpp: In function 'std::ostream& operator<<(std::ostream&, const std::pair<_T1, _T2>&)':
wall.cpp:16:1: warning: no return statement in function returning non-void [-Wreturn-type]
   16 | }
      | ^

• Subtask 1: 8 / 8
• Subtask 2: 24 / 24
• Subtask 3: 29 / 29
• Subtask 4: 0 / 39