Submission #4823902


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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;

int main(){
    int b;
    cin >> b;
    vector<int> a(4, 0);
    for(int i = 0; i < 4; i++)
    {
        a[i] = b%10;
        b /= 10;
    }
    reverse(a.begin(), a.end());
    for(int bit = 0; bit < (1<<3); bit++)
    {
        int num=a[0];
        for(int i = 0; i < 3; i++)
        {
            if(bit&(1<<i)){
                num+=a[i+1];
            }
            else{
                num -= a[i+1];
            }
        }
        if(num==7){
            cout <<a[0];
            for(int i = 0; i < 3; i++)
            {
                if(bit&(1<<i)){
                    cout << '+' << a[i+1];
                }
                else{
                    cout << '-' << a[i+1];
                }
            }
            cout << "=7" << endl;
            return 0;
        }
    }
    
    
}

Submission Info

Submission Time
Task C - Train Ticket
User shompepe
Language C++14 (GCC 5.4.1)
Score 300
Code Size 917 Byte
Status AC
Exec Time 1 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 19
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, sample_01.txt, sample_02.txt, sample_03.txt
Case Name Status Exec Time Memory
01.txt AC 1 ms 256 KB
02.txt AC 1 ms 256 KB
03.txt AC 1 ms 256 KB
04.txt AC 1 ms 256 KB
05.txt AC 1 ms 256 KB
06.txt AC 1 ms 256 KB
07.txt AC 1 ms 256 KB
08.txt AC 1 ms 256 KB
09.txt AC 1 ms 256 KB
10.txt AC 1 ms 256 KB
11.txt AC 1 ms 256 KB
12.txt AC 1 ms 256 KB
13.txt AC 1 ms 256 KB
14.txt AC 1 ms 256 KB
15.txt AC 1 ms 256 KB
16.txt AC 1 ms 256 KB
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 1 ms 256 KB