Почему первая буква стабильно Q?

#include<iostream>
#include<windows.h>
#include<cstring>
using namespace std;
int main(){
    setlocale(0,"");
    int choice;
    SetConsoleCP(1251);
    SetConsoleOutputCP(1251);
    char sent[256];
    char rus[62][2]={"É","é","Ö","ö","Ó","ó","Ê","ê","Å","å","Í","í","Ã","ã","Ø","ø","Ù","ù","Ç","ç","Õ","õ","Ú","ú","Ô","ô","Û","û","Â","â","À","à","Ï","ï","Ð","ð","Î","î","Ë","ë","Ä","ä","Æ","æ","ß","ÿ","×","÷","Ì","ì","È","è","Ò","ò","Ü","ü","Á","á","Þ","þ"};
    char eng[62][2]={"Q","q","W","w","E","e","R","r","T","t","Y","y","U","u","I","i","O","o","P","p","{","[","}","]","A","a","S","s","D","d","F","f","G","g","H","h","J","j","K","k","L","l",":",";","Z","z","X","x","V","v","B","b","N","n","M","m","<",",",">","."};
    cout<<"Ââåäèòå ïðåäëîæåíèå: ";
    gets(sent);
    cout<<endl<<"×òî æåëàåòå ñäåëàòü?"<<endl<<"1-Ïðåâðàòèòü àíãëèéñêèé â ðóññêèé"<<endl<<"2-Ïðåâðàòèòü ðóññêèé â àíãëèéñêèé"<<endl;
    cin>>choice;
    switch(choice){
        case 1:{ 
            for(int i=0;i<strlen(sent);i++) {
                for(int j=0;j<63;j++) {
                    if((int)sent[i]==(int)eng[j][0]) {
                    sent[i]=rus[j][0];
                }
                }
            }
            break;
        }
    }
for(int i=0;i<strlen(sent);i++)
    cout<<sent[i];
}