Lopping over an array c++

for (int i = 0; i < arr.size(); ++i){
//use if we explicitly need the value of i
cout << i << ":\t" << arr[i] << endl;
}
for (int element : arr){
//modifying element will not affect the array
cout << element << endl;
}
for (int &element : arr){
//modifying element will affect the array
cout << element << endl;
}

Similar codes

3 votes344 views1 answer
C++ initialize array with all zeros
C++
0 vote358 views1 answer
Inpout in Array c++
C++
0 vote337 views1 answer
TCA9548 I2CScanner Arduino
C++
25 votes346 views10 answers
Netflix
C++
0 vote329 views1 answer
Sfml disable message
C++
0 vote329 views1 answer
Maximum subarray leetcode c++
C++
0 vote384 views1 answer
How to check size of file in c++
C++
0 vote362 views1 answer
Through map c++
C++
1 vote332 views1 answer
Double to float c++
C++
4 votes339 views1 answer
Sort vector struct c++
C++