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01001001 01101101 00100000 01110010 01101111 01110110 01100101 01110010 00100000 01100111 01110101 01111001 00101110 01001001 01101101 00100000 01101110 01101111 01110100 00100000 01110011 01110100 01100001 01111001 00100000 01101000 01100101 01110010 01100101 00100000 01101100 01101111 01101110 01100111 01100101 01110010
Bài 6:
#include <bits/stdc++.h>
using namespace std;
int main () {
int n;
cin >> n;
int p=n/60;
int s=n%60;
if (p<60) {
if (p<10) {
if (s<10) cout <<"00:0" << p << ":0" << s; else cout <<"00:0" << p << ":" << s;} else
if ((p>=10) and (p<60)) {if (s<10) cout << "00:" << p << ":0" << s;
else cout << "00:" << p << ":" << s;}}
if (p>=60) {
int h = p/60;
p = p%60;
if (h<10) { if (p<10) {
if (s<10) cout << "0" << h << ":" << "0" << p <<":0" <<s;
else cout << "0" << h << ":" << "0" << p <<":" <<s; } else {
if (s<10) cout << "0" << h << ":" << p <<":0" <<s;
else cout << "0" << h << ":" << p <<":" <<s;} } else {
if (p<10) { if (s<10) cout << h << ":" << "0" << p <<":0" <<s;
else cout << h << ":" << "0" << p <<":" <<s; } else {
if (s<10) cout << h << ":" << p <<":0" <<s;
else cout << h << ":" << p <<":" <<s;} } }
return 0;
}
Bài 5:
#include <bits/stdc++.h>
using namespace std;
int main () {
int n;
cin >> n;
int m=n;
int t100 = n/100;
n = n - t100 * 100;
int t50 = n/50;
n = n - t50*50;
int t20 = n/20;
n = n - t20*20;
int t10 = n/10;
n = n - t10*10;
int t5 = n/5;
n = n - t5*5;
int t2 = n/2;
n = n - t2*2;
int t1 = n;
if (m>=100) cout << t100 << " to menh gia 100" << endl;
if (t50!=0) cout << t50<< " to menh gia 50" << endl;
if (t20!=0) cout << t20<< " to menh gia 20" << endl;
if (t10!=0) cout << t10<< " to menh gia 10" << endl;
if (t5!=0) cout << t5<< " to menh gia 5" << endl;
if (t2!=0) cout << t2<< " to menh gia 2" << endl;
if (t1!=0) cout << t50<< " to menh gia 1" << endl;
return 0;
}
#include <stdio.h>
int main(){
int n;
scanf("%d",&n);
long t=0; int i,j;
for (i=2; i<=n; i++){
int c=0;
for (j=2; j<i; j++)
if (i%j==0) c++;
if (c==0) t=t+i;
}
printf("%d",t);
return 0;
}
#include <bits/stdc++.h>
using namespace std;
int n,i,t1=0,t2=0;
int main()
{
cin>>n;
for (int i=1; i<=n; i++)
{
if (i%2==0) t1+=i;
else t2+=i;
}
cout<<t1<<endl;
cout<<t2<<endl;
cout<<"hieu tuyet doi la:"<<abs(t2-t1);
}
\(\text{110101011}_2=427_{10}=1AB_{16}\)
\(\text{101101101}_2=365_{10}=16D_{16}\)
\(\text{1101100001}_2=865_{10}=361_{16}\)