ABSYS - Anti-Blot System

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Jimmy is a hard-working pupil in his second year at primary school. Recently he decided to convert all his notes into an electronic version. Sadly, he found that his math notes were full of ink blots.

He scanned the notes and sent them through his own OCR package (yes, he coded it all by himself at the age of 8). The OCR package replaced all ink blots by the string "machula".

Problem specification

You are given Jimmy's notes, processed by the OCR. They contain simple math exercises, which were used to practice addition on positive integers. Your task is to recover the damaged part of the notes.

Input specification

The first line of the input file contains an integer T specifying the number of test cases. Each test case is preceded by a blank line.

Each test case consists of exactly one line. The line represents an equation of the form "number + number = number", where each number is a positive integer. One part of the equation will be replaced by the string "machula". The string always covers a contiguous non-empty sequence of digits, possibly even an entire number. You may assume that for each equation in the input there will be exactly one way to fill in the missing digits.

Output specification

For each test case, the output shall contain one line of the form "number + number = number". The line must represent the equation from that test case with all missing digits filled in.



23 + 47 = machula

3247 + 5machula2 = 3749

machula13 + 75425 = 77038
23 + 47 = 70
3247 + 502 = 3749
1613 + 75425 = 77038

Note: int in C++/C/Java or longint in Pascal is enough.

hide comments
anmol178601: 2018-07-12 12:10:09

use strstr() and atoi() in c++, easy one.

techlicious_: 2018-06-24 12:09:46

why i am getting NZEC in this code????? please help

Last edit: 2018-06-24 12:10:01
masterchef2209: 2018-05-15 07:14:24

Can be easily solved using python3 without using any special functions, just keep in mind that there is a blank line after each line and python does not ignore blank lines and will input "" as your string. The only functions you will need is split,join,isdigit

jmr99: 2018-03-14 19:50:47

just use stoi (for string)
atoi (char arry)
if s1 is num then do stoi for s2,s3(bcz they will be string)
if s2 is num then stoi for s1,s3 nd so on ..beware with ans frmt.

Last edit: 2018-03-14 19:51:51
vkash: 2018-03-10 11:08:29

cakewalk: simple addition and subtraction,i done using stoi(),as well as strstr() fntions

kkislay20: 2018-03-08 19:02:48

Wow..AC in first go...but it was one of those kind of problems where you what you have to do,its just the implementation where things get good. Nothing hard here, if you are good with strings,this is a piece of cake otherwise this is a must for you.

ayusofayush: 2018-02-16 10:35:43

ac in one go!!!
dont forget to add
getline(cin,str); //basically for the input format

hint:- use substr(),find(),stoi(),getline()
easy string implementation

srjsunny: 2018-02-01 15:06:04

can be done without string also but use strings you'll get to learn a lot of string function.

deepanshu1422: 2018-01-22 18:26:56

could somebody please send the solved solution

jranachd: 2018-01-21 23:35:50

No need to use substrings or any other string method. Simply use basic maths.

Added by:Fudan University Problem Setters
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:All except: C99 ERL JS-RHINO
Resource:IPSC 2007