제출 #427239

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
427239	2021-06-14 13:40:28	frodakcin	철로 (IOI14_rail)	C++17	30 / 100	101 ms	748 KiB

rail

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "rail.h"
#include <cstdio>
#include <vector>
#include <algorithm>
#include <functional>
#include <map>
const int INF = 0x3f3f3f3f;
bool ckmin(auto& a, const auto& b) {return b<a?a=b,1:0;}
struct appl // apparent location
{
  public:
    int i, x;
    appl(int _i=-1, int _x=0): i(_i), x(_x) {}
    bool operator < (const appl& o) const {return x < o.x;}
    bool operator > (const appl& o) const {return x > o.x;}
};
void findLocation(int N, int first, int location[], int stype[])
{
  int A=0, B, bestd=INF;
  std::map<int, int> map;
  auto add=[&](int u){map[location[u]]=stype[u];};
  std::vector<int> da(N), db(N);
  for(int i=1;i<N;++i)
  {
    da[i]=getDistance(A, i);
    if(ckmin(bestd, da[i]))
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

rail.cpp:10:12: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   10 | bool ckmin(auto& a, const auto& b) {return b<a?a=b,1:0;}
      |            ^~~~
rail.cpp:10:27: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   10 | bool ckmin(auto& a, const auto& b) {return b<a?a=b,1:0;}
      |                           ^~~~
rail.cpp: In function 'void findLocation(int, int, int*, int*)':
rail.cpp:68:9: warning: unused variable 'ok' [-Wunused-variable]
   68 |    bool ok=0;
      |         ^~
rail.cpp:37:28: warning: 'B' may be used uninitialized in this function [-Wmaybe-uninitialized]
   37 |  location[B] = first + da[B];
      |                            ^

• Subtask 1: 8 / 8
• Subtask 2: 22 / 22
• Subtask 3: 0 / 26
• Subtask 4: 0 / 44