제출 #876280

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
876280		Halfjuice	Digital Circuit (IOI22_circuit)	C++17	컴파일 에러	0 ms	0 KiB

circuit

#include <vector>

struct _Node {
  _Node* parent;
  std::vector<_Node*> children;
} Node;

void init(int N, int M, int[] P, int[] A) {
  Node[] nodes = new Node[N+M];
  for (int i=0; i<N+M; i++) {
    nodes[i].parent = nodes+P[i];
    nodes[P[i]].children.push_back(nodes+i);
  }
}

int count_ways(int L, int R) {
  return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

circuit.cpp:8:31: error: expected ',' or '...' before 'P'
    8 | void init(int N, int M, int[] P, int[] A) {
      |                               ^
circuit.cpp: In function 'void init(int, int, int*)':
circuit.cpp:9:8: error: expected primary-expression before ']' token
    9 |   Node[] nodes = new Node[N+M];
      |        ^
circuit.cpp:11:5: error: 'nodes' was not declared in this scope
   11 |     nodes[i].parent = nodes+P[i];
      |     ^~~~~
circuit.cpp:11:29: error: 'P' was not declared in this scope
   11 |     nodes[i].parent = nodes+P[i];
      |                             ^