A question about debug on devc++ when I use c++

I am a beginner of C++. I don't know how to debug a vector on devc++, I used following methods to try to figure out the values in arr, but it failled.That's my codes

#include<stdio.h>#include <iostream>#include<vector>using namespace std;int main(){      vector<int> arr(3);      arr[0] = 0,arr[1]=1,arr[2]=3;      printf("aaaa");    return 0;}

I made a breakpoint on printf(). The following snippets are my errors.

It can work on VS2019. Because of my college, I have to use the devc++.