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uses crt;
const fi='tamgiac.dat';
var f1:text;
a,b,c:array[1..100]of real;
n,i,j,k,dem:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
n:=0;
while not eof(f1) do
begin
inc(n);
readln(f1,a[n],b[n],c[n]);
end;
dem:=0;
for i:=1 to n do
for j:=1 to n do
for k:=1 to n do
if (i=j) and (j=k) then
begin
if (a[i]+b[j]>c[k]) and (a[i]+c[k]>b[j]) and (c[k]+b[j]>a[i]) then
begin
if (a[i]=b[j]) and (a[i]<>c[k]) and (b[j]<>c[k]) then inc(dem);
if (a[i]=c[k]) and (a[i]<>b[j]) and (c[k]<>b[j]) then inc(dem);
if (b[j]=c[k]) and (b[j]<>a[i]) and (c[k]<>a[i]) then inc(dem);
end;
end;
writeln(dem);
readln;
end.
const fi='input.txt';
fo='output.txt';
var f1,f2:text;
n:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,n);
if n<0 then writeln(f2,n,' la so am')
else if n=0 then writeln(f2,n,' khong la so am cung khong la so duong')
else writeln(f2,n,' la so duong');
close(f1);
close(f2);
end.
uses crt;
const fi='bai1.inp';
var f1:text;
a,b,c,cv,dt,p:real;
begin
clrscr;
assign(f1,fi); rewrite(f1);
write('Nhap a='); readln(a);
write('Nhap b='); readln(b);
write('Nhap c='); readln(c);
if (a>0) and (b>0) and (c>0) and (a+b>c) and (a+c>b) and (b+c>a) then
begin
cv:=a+b+c;
p:=cv/2;
dt:=sqrt(p*(p-a)*(p-b)*(p-c));
writeln(f1,'Chu vi la: ',cv:4:2);
writeln(f1,'Dien tich la: ',dt:4:2);
end
else writeln(f1,'Day khong la ba canh trong mot tam giac');
close(f1);
readln;
end.
cho em hỏi cái này viết ra thuật toán thì viết kiểu sao ạ
uses crt;
const fi='input.txt';
var f1:text;
a,b,c:array[1..100]of real;
i,n:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
n:=0;
while not eof(f1) do
begin
n:=n+1;
readln(f1,a[n],b[n],c[n]);
end;
for i:=1 to n do
writeln('Tong cua dong ',i,' la: ',a[i]+b[i]+c[i]:4:2);
for i:=1 to n do
writeln('Trung binh cong cua dong ',i,' la: ',(a[i]+b[i]+c[i])/3:4:2);
close(f1);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long a,b;
int main()
{
freopen("sn.inp","r",stdin);
freopen("cn.out","w",stdout);
cin>>a>>b;
cout<<a*b;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long a[10],b[10],i,j;
int main()
{
freopen("input.txt","r",stdin);
freopen("output.txt","w",stdout);
for (i=1; i<=10; i++) cin>>a[i];
for (j=1; j<=10; j++) cin>>b[j];
for (i=1; i<=10; i++)
cout<<a[i]+b[i]<<" ";
return 0;
}
const fi='hcn.txt';
fo='ketqua.txt';
var f1,f2:text;
a,b:array[1..100]of integer;
n:integer;
cv,dt:real;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eof(f1) do
begin
inc(n);
readln(f1,a[n],b[n]);
end;
for i:=1 to n do
begin
cv:=(a[i]+b[i])/2;
dt:=a[i]*b[i];
writeln(f2,cv:4:2,' ',dt:4:2);
end;
close(f1);
close(f2);
end.
const fi='input.txt';
fo='output.txt';
var f1,f2:text;
a,b,c,max:real;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,a,b,c);
min:=a;
if min>b then min:=b;
if min>c then min:=c;
writeln(f2,min);
close(f1);
close(f2);
end.