Accesing an element in vector of pair of integer and vector [closed]

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In the following code, I receive segfault at the last line:

int MAX_ITER = 4, n = 5;
vector< pair<int, vector<int> > > InputVector(MAX_ITER);

srand((unsigned)time(NULL));

for (int i = 0; i < MAX_ITER; i++) 
  InputVector[i].second.resize(n);

for (int i = 0; i < MAX_ITER; i++) {
  InputVector[i].first = i+1;
  for (int j = 0; j < InputVector[i].second.size(); i++) 
    InputVector[i].second[j] = rand()%2;

How to access jth element of InputVector[i].second?

Answer 1

for (int j = 0; j < InputVector[i].second.size(); i++) 
                                                  ^^ should be j++