c++ - Error when running code -

i have tried following code error when running it. have used debugger can't understand errors in call stack.

#include <iostream> #include <fstream>  using namespace std;  int main() {     int a[10][2],i,j, b[10],max, min;     ifstream f("numere.txt");      for(i=1;i<=10;i++)     {         for(j=1;j<=2;j++)         {             f>>a[i][j];             b[i]=0;         }     }      for(i=1;i<=10;i++)     {         for(j=1;j<=2;j++)         {             b[i]=b[i]+a[i][j];         }     }      max=b[1];     min=b[1];      for(i=1;i<=5;i++)     {         if(max<=b[i]) max=b[i];         if(min>=b[i]) min=b[i];     }      cout<<"cea mai mare suma este:"<< max<<endl;     cout<<"cea mai mica suma este:"<< min<<endl;       f.close();     return 0;  } 

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please, me. beginner , have never worked files before.

you have @ least 1 error: array index out of bounds:

 for(i= 0;i<10;i++) {   //^^^     for(j=0;j< 2;j++)     { //^^^         f>>a[i][j];         b[i]=0; //why put b[i] here??     } } 

since declare a[10][2] , array indices start 0, not 1 in c++. access memory not belong a (and b).