제출 #585952

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
585952		serize	Connecting Supertrees (IOI20_supertrees)	C++17	컴파일 에러	0 ms	0 KiB

supertrees

#include "supertrees.h"
#include <vector>

using namespace std;

int construct(std::vector<std::vector<int>> p) {
	int n = p.size();
	std::vector<std::vector<int>> answer;
	int mat[n+1][n+1];
	memset(mat,0,sizeof(mat));
	for(int i = 0; i < n-1; i++){
        mat[i][i+1] = 1;
        mat[i+1][i] = 1;
	}
	for(int i = 0; i < n; i++){
        vector <int> asd;
        for(int j = 0; j < n; j++){
            asd.push_back(mat[i][j]);
        }
        answer.push_back(asd);
	}
	build(answer);
	return 1;
}

컴파일 시 표준 에러 (stderr) 메시지

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:10:2: error: 'memset' was not declared in this scope
   10 |  memset(mat,0,sizeof(mat));
      |  ^~~~~~
supertrees.cpp:2:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    1 | #include "supertrees.h"
  +++ |+#include <cstring>
    2 | #include <vector>