제출 #1345538

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1345538		x93bd0	항공 노선도 (JOI18_airline)	C++20	컴파일 에러	0 ms	0 KiB

Alice

#include "Alicelib.h"
#include <cassert>
#include <vector>
#include <cstdio>
using namespace std;

void Alice( int N, int M, int A[], int B[] ){
	vector<pair<int, int>> E;
	E.reserve(M + N);
	for (int m = 0; m < M; m++)
		E.push_back({A[m], B[m]});
	for (int n = 0; n < N; n++)
		E.push_back({n, N});

	int root = N + 1, id = N + 2, zero = N + 3;
	E.push_back({root, zero});
	E.push_back({N, zero});
	for (int n = 1; n < 10; n++)
		E.push_back({root, zero + n}),
			E.push_back({N, zero + n}),
			E.push_back({zero + n - 1, zero + n});
	E.push_back({id, zero});

	for (int x = 0; x < N; x++) {
		int c = x, i = 0;
		while (c > 0) {
			if (c & 1)
				E.push_back({x, zero + i});
			c >>= 1, i++;
		}
	}

	InitG(N + 13, E.size());
	for (int i = 0; i < E.size(); i++)
		MakeG(i, E[i].first, E[i].second);
}

Bob

#include "Alicelib.h"
#include <cassert>
#include <vector>
#include <cstdio>
using namespace std;

void Alice( int N, int M, int A[], int B[] ){
	vector<pair<int, int>> E;
	E.reserve(M + N);
	for (int m = 0; m < M; m++)
		E.push_back({A[m], B[m]});
	for (int n = 0; n < N; n++)
		E.push_back({n, N});

	int root = N + 1, id = N + 2, zero = N + 3;
	E.push_back({root, zero});
	E.push_back({N, zero});
	for (int n = 1; n < 10; n++)
		E.push_back({root, zero + n}),
			E.push_back({N, zero + n}),
			E.push_back({zero + n - 1, zero + n});
	E.push_back({id, zero});

	for (int x = 0; x < N; x++) {
		int c = x, i = 0;
		while (c > 0) {
			if (c & 1)
				E.push_back({x, zero + i});
			c >>= 1, i++;
		}
	}

	InitG(N + 13, E.size());
	for (int i = 0; i < E.size(); i++)
		MakeG(i, E[i].first, E[i].second);
}

컴파일 시 표준 에러 (stderr) 메시지

# 2번째 컴파일 단계

/usr/bin/ld: /tmp/ccIRyMks.o: in function `Alice(int, int, int*, int*)':
Bob.cpp:(.text+0x6c4): undefined reference to `InitG(int, int)'
/usr/bin/ld: Bob.cpp:(.text+0x6e5): undefined reference to `MakeG(int, int, int)'
/usr/bin/ld: /tmp/ccPwQSw3.o: in function `main':
grader_bob.cpp:(.text.startup+0xa9): undefined reference to `Bob(int, int, int*, int*)'
collect2: error: ld returned 1 exit status