How to increment int value of vector of pairs ?

Question

C / C++

Peace

How to increment int value of vector of pairs ?

vector<pair<string,int>> ques;
like below :
for(auto row: questions){
row.second++;
}

0

15.04.2022

7 ответов

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Peace Автор вопроса

anyone ??

0

15.04.2022

Peace Автор вопроса

The prodigal ᥀
Yeah should work

it is throwing error prog.cpp: In function ‘int main()’: prog.cpp:35:23: error: ‘questions’ was not declared in this scope for(auto row: questions){ ^~~~~~~~~

0

15.04.2022

The prodigal ᥀

Peace
it is throwing error prog.cpp: In function...

So declare it..

0

15.04.2022

Peace Автор вопроса

The prodigal ᥀
So declare it..

i declared it in scope, and this is working fine, for(auto row: questions){ cout << row.second << " " ; }

0

15.04.2022

Peace Автор вопроса

Peace
it is throwing error prog.cpp: In function...

what causes error to this ?

0

15.04.2022

The prodigal ᥀

Peace
i declared it in scope, and this is working fine, ...

Where is variable questions declared?

0

15.04.2022

The prodigal ᥀ · Accepted Answer

The prodigal ᥀

Yeah should work

0

15.04.2022

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