제출 #74177

#제출 시각아이디문제언어결과실행 시간메모리
74177nvmdava고대 책들 (IOI17_books)C++17
컴파일 에러
0 ms0 KiB
#include "books.h" int k = 0; int id[500001], l[500001], r[500001]; long long val[500001]; bool in[1000001]; int x; void go(int v, long long c){ if(in[v] == 1){ val[k] = c; k++; return; } if(v <= x){ l[k] = max(v, l[k]); } if(v >= x){ r[k] = min(v, r[k]); } in[v] = 1; go(p[v], c + (long long)abs(v - p[v])); } long long minimum_walk(std::vector<int> p, int s) { x = s; memset(r, -1, sizeof r); memset(l, 0x3f, sizeof l); for(int i = 0; i < p.size(); i++){ if(in[i] || p[i] == i) continue; go(i, 0LL); } long long ans = 0; int loc = -1; for(int i = 0; i < k; i++){ ans += val[i]; loc = max(loc, r[i]); } ans += (long long) loc; return ans; }

컴파일 시 표준 에러 (stderr) 메시지

books.cpp: In function 'void go(int, long long int)':
books.cpp:14:10: error: 'max' was not declared in this scope
   l[k] = max(v, l[k]);
          ^~~
books.cpp:14:10: note: suggested alternative:
In file included from /usr/include/c++/7/vector:60:0,
                 from books.h:1,
                 from books.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:265:5: note:   'std::max'
     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^~~
books.cpp:17:10: error: 'min' was not declared in this scope
   r[k] = min(v, r[k]);
          ^~~
books.cpp:17:10: note: suggested alternative:
In file included from /usr/include/c++/7/vector:60:0,
                 from books.h:1,
                 from books.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:243:5: note:   'std::min'
     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^~~
books.cpp:20:5: error: 'p' was not declared in this scope
  go(p[v], c + (long long)abs(v - p[v]));
     ^
books.cpp:20:26: error: 'abs' was not declared in this scope
  go(p[v], c + (long long)abs(v - p[v]));
                          ^~~
books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:25:2: error: 'memset' was not declared in this scope
  memset(r, -1, sizeof r);
  ^~~~~~
books.cpp:27:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < p.size(); i++){
                 ~~^~~~~~~~~~
books.cpp:35:9: error: 'max' was not declared in this scope
   loc = max(loc, r[i]);
         ^~~
books.cpp:35:9: note: suggested alternative:
In file included from /usr/include/c++/7/vector:60:0,
                 from books.h:1,
                 from books.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:265:5: note:   'std::max'
     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^~~