Submission #243388

#	Time	Username	Problem	Language	Result	Execution time	Memory
243388		ant101	늑대인간 (IOI18_werewolf)	C++14	Compilation error	0 ms	0 KiB

werewolf

#include <cstdio>
#include <cstdlib>
#include <vector>
#include "werewolf.h"

namespace {
    
    int read_int() {
        int x;
        if (scanf("%d", &x) != 1) {
            fprintf(stderr, "Error while reading input\n");
            exit(1);
        }
        return x;
    }
    
}  // namespace

int main() {
    int N = read_int();
    int M = read_int();
    int Q = read_int();
    std::vector<int> X(M), Y(M), S(Q), E(Q), L(Q), R(Q);
    for (int j = 0; j < M; ++j) {
        X[j] = read_int();
        Y[j] = read_int();
    }
    for (int i = 0; i < Q; ++i) {
        S[i] = read_int();
        E[i] = read_int();
        L[i] = read_int();
        R[i] = read_int();
    }
    
    std::vector<int> A = check_validity(N, X, Y, S, E, L, R);
    for (size_t i = 0; i < A.size(); ++i) {
        printf("%d\n", A[i]);
    }
    return 0;
}

Compilation message (stderr)

/tmp/ccW9VaCl.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccd4ozcC.o:werewolf.cpp:(.text.startup+0x0): first defined here
/tmp/ccd4ozcC.o: In function `main':
werewolf.cpp:(.text.startup+0x225): undefined reference to `check_validity(int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
/tmp/ccW9VaCl.o: In function `main':
grader.cpp:(.text.startup+0x25e): undefined reference to `check_validity(int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status