Submission #3269183

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Source Code Expand

#include <iostream>
#include <string.h>
#include <stdio.h>
#include <map>
#include <vector>
#include <math.h>
#include <algorithm>
using namespace std;

#define rep(i,a) for(int i=0; i<a; i++)
#define rrep(i,a) for(int i=a; i>=0; i--)
#define loop3(i,j,k,a) for(int i=0; i<a; i++)for(int j=0; j<a; j++)if(i!=j)for(int k=0; k<a; k++)if(i!=k&&j!=k)
#define loop4(i,j,k,l,a) for(int i=0; i<a; i++)for(int j=0; j<a; j++)if(i!=j)for(int k=0; k<a; k++)if(i!=k&&j!=k)for(int l=0; l<a; l++)if(i!=l&&j!=l&&k!=l)
#define rep1(i,a) for(int i=1; i<=a; i++)

#define scnd1(a) scanf("%d", &a)
#define scnd2(a,b) scanf("%d%d", &a,&b)
#define scnd3(a,b,c) scanf("%d%d%d", &a,&b,&c)
#define scnd4(a,b,c,d) scanf("%d%d%d%d", &a,&b,&c,&d)

#define cin1(a) cin >> a;
#define cin2(a,b) cin >> a >> b;
#define cin3(a,b,c) cin >> a >> b >> c;
#define cin4(a,b,c,d) cin >> a >> b >> c >> d;
#define cout1(a) cout << a << endl;
#define cout2(a,b) cout << a << " " << b << endl;
#define cout3(a,b,c) cout << a << " " << b << " " << c << endl;
#define cout4(a,b,c,d) cout << a << " " << b << " " << c << " " << d << endl;
#define prtd1(a) printf("%d\n", a)
#define prtd2(a,b) printf("%d %d\n", a,b)
#define prtd3(a,b,c) printf("%d %d %d\n", a,b,c)
#define prtd4(a,b,c,d) printf("%d %d %d %d\n", a,b,c,d)

#define mem(a,n) memset( a, n, sizeof(a))

typedef long long ll;

int main() {
    int N, A, B;
    vector<int> nums;
    scnd1(N);
    int n;
    rep( i, N) {
        scnd1( n);
        nums.push_back(n);
    }
    
    sort( nums.begin(), nums.end());
    
    A = nums[N-1];
    B = nums[0];
    double d = A*1.0/2;
    
    int i = 1;
    while ( i<N-1 && abs(B-d) > abs(nums[i]-d)) {
        B = nums[i++];
    }
    cout2(A,B);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:55:29: error: call of overloaded ‘abs(double)’ is ambiguous
     while ( i<N-1 && abs(B-d) > abs(nums[i]-d)) {
                             ^
In file included from /usr/include/c++/5/cstdlib:72:0,
                 from /usr/include/c++/5/ext/string_conversions.h:41,
                 from /usr/include/c++/5/bits/basic_string.h:5334,
                 from /usr/include/c++/5/string:52,
                 from /usr/include/c++/5/bits/locale_classes.h:40,
                 from /usr/include/c++/5/bits/ios_base.h:41,
                 from /usr/include/c++/5/ios:42,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from ./Main.cpp:1:
/usr/include/stdlib.h:775:12: note: candidate: int abs(int)
 extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
            ^
In file included from /usr/include/c++/5/ext/string_conversions.h:41:0,
                 from /usr/include/c++/5/bits/basic_s...