Submission #1870469


Source Code Expand

#include <iostream>
#include <sstream>
#include <iomanip>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <cctype>
#include <cstring>
#include <vector>
#include <list>
#include <queue>
#include <deque>
#include <stack>
#include <map>
#include <set>
#include <algorithm>
#include <iterator>
#include <bitset>
#include <ctime>
using namespace std;

#define F(i, n) for(int i = 0; i < n; ++i)
#define FOR(i,a,b) for (int i = (a); i < (b); i++)
#define RFOR(i,b,a) for (int i = (b)-1; i >= (a); i--)
#define ITER(it,a) for (__typeof(a.begin()) it = a.begin(); it != a.end(); it++)
#define FILL(a,value) memset(a, value, sizeof(a))

#define SZ(a) (int)a.size()
#define ALL(a) a.begin(), a.end()
#define PB push_back
#define MP make_pair

typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;

const double PI = acos(-1.0);
const int INF = 1000 * 1000 * 1000 + 7;
const LL LINF = INF * (LL) INF;

const int MAX = 100000 + 47;

int A[MAX];

int main()
{
    //freopen("in.txt", "r", stdin);
    int n, c, k;
    scanf("%d", &n);
    FOR(i, 0, n)
        scanf("%d", A + i);
    sort(A, A + n);
    int bst = -1;
    LL sum = 0;
    int l = -1, r = n-1;
    while(r - l > 1)
    {
        int m = (l+r) / 2;
        int sz = A[m];
        bool ok = 1;
        FOR(i, 0, n)
        {
            if (i == m)continue;
            if (2 * sz < A[i])
            {
                ok = 0;
                break;
            }
            sz += A[i];
        }
        if (ok)r = m;
        else l = m;
    }
    cout << n-r << endl;
}

Submission Info

Submission Time
Task B - Colorful Creatures
User vjudge5
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1559 Byte
Status WA
Exec Time 19 ms
Memory 640 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:49:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
./Main.cpp:51:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", A + i);
                           ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 400
Status
AC × 3
AC × 6
WA × 13
Set Name Test Cases
Sample sample1.txt, sample2.txt, sample3.txt
All sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in2.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt
Case Name Status Exec Time Memory
in1.txt WA 19 ms 640 KB
in10.txt WA 8 ms 384 KB
in11.txt WA 18 ms 640 KB
in12.txt WA 14 ms 640 KB
in13.txt WA 14 ms 640 KB
in2.txt WA 19 ms 640 KB
in3.txt WA 19 ms 640 KB
in4.txt WA 19 ms 640 KB
in5.txt WA 8 ms 384 KB
in6.txt WA 17 ms 640 KB
in7.txt WA 19 ms 640 KB
in8.txt WA 17 ms 640 KB
in9.txt WA 3 ms 256 KB
sample1.txt AC 1 ms 256 KB
sample2.txt AC 1 ms 256 KB
sample3.txt AC 1 ms 256 KB