Here you got the code, I’ve added little comments but it isn’t a lot. hh = hour mm = minutes ss= seconds

 
uses crt;
 
var hh, mm, ss :integer;
 
BEGIN
ss:=0;
mm:=0;
hh:=0;
 
writeln('Donne le heure: ');
readln(hh);
writeln('donnez les minutes');
readln(mm);
clrscr;
 
while ss<60 do //59 seconds because on 60 mm+1
begin
ss:= ss + 1;  //count the seconds
 
writeln(hh,' : ', mm,' : ', ss);
 
delay(1);
clrscr;
 
if ss=59 then  //if 59 then mm + 1
begin
mm:= mm + 1;
ss:=0;
 
if mm=59 then  // 60 minutes but 59 minutes and 59 sec => hh+1
begin
hh:=  hh + 1;
mm:=0;
ss:=0;
 
if hh=23 then //24 hr, i don't do days
begin
hh:=0;
end;
end;
 
end;
end
END.

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Just finished a clock in C: you give the time for tomorrow and he’ll count it down. But it’s basic:

#include
#include
 
int main(int argc, char *argv[])
{
long hh, mm,th, tm, ts;
 
printf("Reveil a quelle heure(24) minutes? \t");
scanf("%ld", &hh);
scanf("%ld", &mm);
 
th= hh+24; //ceci pr une journee
tm = 60 - mm;
ts=0;
while(th>=hh)
{
if(ts>0){ts-=1; sleep(1000);}
else if(tm>0){ts=60; tm--;}
else if (th>hh){ts=60; tm=60; th--;}
else if (th=hh){if(ts>0){ts--;}}
system("cls");
printf("%ld : %ld : %ld", th, tm, ts);
 
}
 
system("PAUSE");
return 0;
}
 
<span style="text-decoration: line-through;">I'm more or less pleased but still the infinite refreshments aren't what I wanted and sorry about the comment but in exercises I don't use them</span><span id="more-108"></span>
 
Here's the correction of the whole shebang:
 
<code lang="c">#include
#include 

int main(int argc, char *argv[])
{
long hh, mm,th, tm, ts;

printf(“Reveil a quelle heure(24) minutes? \t”);
scanf(“%ld”, &hh);
scanf(“%ld”, &mm);

th= hh+1; //ceci pr une journee
tm = mm;
ts=0;

while(th>=hh)
{
if(th>hh){
if(ts>0){ts-=1; sleep(1000);}
else if(tm>0){ts=60; tm–;}
else if (th>hh){ts=60; tm=60; th–;}
}
else if(th==hh){
if(ts>0){ts-=0; sleep(1000);}
else if(tm>mm){ts=60; tm–;}
else {printf(“\n\n\n Reveille toi !!!!”); system(“PAUSE”); return 0;}
}

system(“CLS”);

printf(“%ld : %ld : %ld”, th, tm, ts);

}

system(“PAUSE”);
return 0;
}

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