제출 #789761

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
789761		Deepesson	Towns (IOI15_towns)	C++17	컴파일 에러	0 ms	0 KiB

towns

#include <bits/stdc++.h>
#include <cpuid.h>
using namespace std;
int main(){
    char CPUBrandString[0x40];
    unsigned int CPUInfo[4] = {0,0,0,0};
    
    __cpuid(0x80000000, CPUInfo[0], CPUInfo[1], CPUInfo[2], CPUInfo[3]);
    unsigned int nExIds = CPUInfo[0];
    
    memset(CPUBrandString, 0, sizeof(CPUBrandString));
    
    for (unsigned int i = 0x80000000; i <= nExIds; ++i)
    {
        __cpuid(i, CPUInfo[0], CPUInfo[1], CPUInfo[2], CPUInfo[3]);
    
        if (i == 0x80000002)
            memcpy(CPUBrandString, CPUInfo, sizeof(CPUInfo));
        else if (i == 0x80000003)
            memcpy(CPUBrandString + 16, CPUInfo, sizeof(CPUInfo));
        else if (i == 0x80000004)
            memcpy(CPUBrandString + 32, CPUInfo, sizeof(CPUInfo));
    }
    
    cout << "CPU Type: " << CPUBrandString << endl;


}

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccRIwiXo.o: in function `main':
grader.c:(.text.startup+0x0): multiple definition of `main'; /tmp/ccnvbKer.o:towns.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccRIwiXo.o: in function `main':
grader.c:(.text.startup+0x83): undefined reference to `hubDistance(int, int)'
collect2: error: ld returned 1 exit status