제출 #19420

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
19420		dotorya	최댓값 (tutorial2)	C++14	컴파일 에러	0 ms	0 KiB

tutorial2

#include <algorithm>
#include <assert.h>
#include <complex>
#include <ctype.h>
#include <functional>
#include <iostream>
#include <limits.h>
#include <locale.h>
#include <map>
#include <math.h>
#include <queue>
#include <set>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <vector>
#include <unordered_set>
#include <unordered_map>

#pragma warning(disable:4996)
using namespace std;

#define mp make_pair
typedef long long ll;
typedef unsigned long long ull;
typedef double db;
typedef long double ldb;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
typedef pair <ll, int> pli;
typedef pair <ldb, ldb> pdd;

int IT_MAX = 131072;
const ll MOD = 1000000007;
const int INF = 1034567891;
const ll LL_INF = 2234567890123456789ll;
const db PI = 3.141592653589793238;
const ldb ERR = 1E-10;

int main() {
	int N, i, ans = -INF;
	scanf("%d", &N);
	while (N--) {
		scanf("%d", &i);
		ans = max(ans, i);
	}
	return !printf("%d\n", ans);
}

컴파일 시 표준 에러 (stderr) 메시지

tutorial2.cpp:21:0: warning: ignoring #pragma warning  [-Wunknown-pragmas]
 #pragma warning(disable:4996)
 ^
tutorial2.cpp: In function ‘int main()’:
tutorial2.cpp:43:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
                 ^
tutorial2.cpp:45:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &i);
                  ^
/tmp/cc1gNFzF.o: In function `main':
tutorial2.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/cc4RXnXZ.o:grader.cpp:(.text.startup+0x0): first defined here
/tmp/cc4RXnXZ.o: In function `main':
grader.cpp:(.text.startup+0x97): undefined reference to `GetMax(int, int*)'
collect2: error: ld returned 1 exit status