Submission #3045568


Source Code Expand

#include <iostream>
#include <string>
#include <set>
#include <vector>
using namespace std;

int main(){

    int score[4];
    string s[4];
    int sum;
    string ABCD;

    cin >> ABCD;

    for(int i = 0; i < 4; ++i) score[i] = (int) ABCD[i] - '0';

    for(int bit = 0; bit < (1 << 4); ++bit){
        sum = 0;
        for(int i = 0; i < 4; ++i){
            if( (bit & (1 << i)) ){
                sum += score[i];
                s[i] = '+';
            }else{
                sum -= score[i];
                s[i] = '-';
            }
        }
        if(sum == 7){
            for(int j = 0; j < 3; ++j ){
                cout << score[j] << s[j+1];
            }
            cout << score[3] << "=7" << endl;
            return 0;
        }
       
    }
    return 0; 
}

Submission Info

Submission Time
Task C - Train Ticket
User SuzukiN
Language C++14 (Clang 3.8.0)
Score 300
Code Size 820 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