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#include <iostream>
#include <vector>
 
using namespace std;
 
    struct coor2d {
      float x;
      float y;
    };
 
    // Inside a function 
    int row = 5;
    int col = 5;
    float r_wide = 1.0/float(row);
    float r_high = 1.0/float(col);
 
    vector<vector<coor2d> > grid;
    vector<coor2d> column;
    for(int cr = 0; cr < row; cr++) {
      for(int cc = 0; cr < col; cc++) {
        coor2d temp;
        temp.x = (float(cc) * r_wide) + (r_wide/2.0);
        temp.y = ((float(cr) * r_high) + (r_high/2.0) * -1.0);
        // Here the temp.y value is correct
        column.push_back(temp);
        // Here the temp.y value is incorrect
      }
      grid.push_back(column);
    }
 
int main() {
	// your code goes here
	return 0;
}

prog.cpp:19:5: error: expected unqualified-id before ‘for’
     for(int cr = 0; cr < row; cr++) {
     ^
prog.cpp:19:21: error: ‘cr’ does not name a type
     for(int cr = 0; cr < row; cr++) {
                     ^
prog.cpp:19:31: error: ‘cr’ does not name a type
     for(int cr = 0; cr < row; cr++) {
                               ^

Standard output is empty