DouKaku?

#include <stdio.h>
#include <time.h>
#include <conio.h>

int main(){
    bool IsOutput=true;
    int ch=0;
    int TimeCount=0,TimeOld=0;
    do{
        ch = 0;
        if(_kbhit()) ch  = _getch();//環境依存コード。
        if(ch == 'p') IsOutput = !IsOutput;
        if(IsOutput){
            TimeCount = time(NULL);
            if(TimeCount != TimeOld){
                printf("A");
                TimeOld = TimeCount;
            }
        }
    }while(ch != 'q');
    return 0;
}