Table of Contents
Waiting or Not Waiting
#include
using namespace std;
int main() {
int a;
cin>>a;
if(a>0)
cout<<"I am waiting";
else
if(a<0)
cout<<"I am not waiting";
else
cout<<"Sorry";
return 0;
}
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Digits in Words
#include
using namespace std;
int main() {
long int n,sum=0,r;
cin>>n;
while(n>0)
{
r=n%10;
sum=sum*10+r;
n=n/10;
}
n=sum;
while(n>0)
{
r=n%10;
switch(r)
{
case 1:
cout<<"One ";
break;
case 2:
cout<<"Two ";
break;
case 3:
cout<<"Three ";
break;
case 4:
cout<<"Four ";
break;
case 5:
cout<<"Five ";
break;
case 6:
cout<<"Six ";
break;
case 7:
cout<<"Seven ";
break;
case 8:
cout<<"Eight ";
break;
case 9:
cout<<"Nine ";
break;
case 0:
cout<<"Zero ";
break;
default:
cout<<"tttt ";
break;
}
n=n/10;
}
return 0;
}
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Upper case conversion
#include
#include
using namespace std;
int main()
{
char s[30];
int i;
cin>>s;
for(i=0;i<=10;i++) {
if(s[i]>=97 && s[i]<=122)
{
s[i]=s[i]-32;
}
}
cout<<s;
return 0;
}
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Country
using namespace std;
int main()
{
int a;
cin>>a;
if(a>17 && a<60)
cout<<"Eligible";
else
cout<<"Not Eligible";
return 0;
}
Sachin and his Pills
using namespace std;
class Month{
int days;
public:
Month(int,int);
bool leapYear(int);
int getDays();
};
Month::Month(int number,int year){
if(number<8) (number%2==1)?(days=31):(days=30);
else (number%2==0)?(days=31):(days=30);
if(number==2){
if(leapYear(year)==1) days=29;
else days=28;
}
}
bool Month::leapYear(int year){
if(year%400==0) return 1;
if(year%100==0) return 0;
if(year%4==0) return 1;
return 0;
}
int Month::getDays(){
return days;
}
int pillDays(int day,int month,int year,int count=0){
Month M(month,year);
int monthDays = M.getDays(),i;
for(i=day;i<=monthDays;i++) if(i%2==1)count++;
if(monthDays%2==0){
pillDays(1,month+1,(month==12)?(year+1):(year),count);
}
else return count;
}
int main(){
int i,j,n,day,month,year,date[10];
char temp[10];
//char date[10];
cin>>n;
for(i=0;i<n;i++){
cin>>temp;
for(j=0;j<10;j++) date[j]=temp[j]-48;
day = date[8]*10 + date[9];
month = date[5]*10 + date[6];
year = date[0]*1000 + date[1]*100 + date[2]*10 + date[3];
cout << pillDays(day,month,year) << endl;
}
return 0;
}
Dhoni and Ziva in Chennai
using namespace std;
int main() {
float a;
int b;
cin>>b;
a=(16.6*b)/100;
cout<<"Your weight on moon is : "<<a;
return 0;
}
You and Me
using namespace std;
int main() {
int a,b,c;
cin>>a>>b;
cout<<"I am "<<a<<endl;
cout<<"You are "<<b<<endl;
c=(a+b)/2;
cout<<"We are around "<<c;
return 0;
}
SRM Calculator
using namespace std;
int main()
{
int op,b,c;
cin>>op;
cin>>b>>c;
switch(op)
{
case 1:
cout<<b+c;
break;
case 2:
cout<<b-c;
break;
case 3:
cout<<b*c;
break;
case 4:
cout<<b/c;break;
break;
default:
cout<<"Invalid Input";
break;
}
return 0;
}
Legends of Indian Cricket
using namespace std;
void expand(int);
int main()
{
int num;
cin>>num;
expand(num);
}
void expand(int value)
{
const char * const ones[20] = {"zero", "one", "two", "three","four","five","six","seven",
"eight","nine","ten","eleven","twelve","thirteen","fourteen","fifteen","sixteen","seventeen",
"eighteen","nineteen"};
const char * const tens[10] = {"", "ten", "twenty", "thirty","forty","fifty","sixty","seventy",
"eighty","ninety"};
if(value<0)
{
cout<<"minus ";
expand(-value);
}
else if(value>=1000)
{
expand(value/1000);
cout<<" thousand";
if(value % 1000)
{
if(value % 1000 < 100)
{
cout << " and";
}
cout << " " ;
expand(value % 1000);
}
}
else if(value >= 100)
{
expand(value / 100);
cout<<" hundred";
if(value % 100)
{
cout << " and ";
expand (value % 100);
}
}
else if(value >= 20)
{
cout << tens[value / 10];
if(value % 10)
{
cout << " ";
expand(value % 10);
}
}
else
{
cout<<ones[value];
}
return;
}
Play with XOR
using namespace std;
int main() {
int t;cin>>t;
while(t–){
int n;cin>>n;int a[n],c1=0,c0=0;
for(int i=0;i<n;i++){
cin>>a[i];
if(a[i]==1)c1++;
}
c0=n-c1;
if(c1%2==0){
cout<<c0<<endl;
}
if(c1%2!=0){
cout<<c1<<endl;
}
}
return 0;
}
Professor Omkar
using namespace std;
int main() {
int a,b,c;
float d;
cin >> a >> b >> c;
d=(a*(c-b))*4184;
cout << "The energy needed is " << d;
return 0;
}
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Swim
using namespace std;
int main() {
int a,b,c,s;
cin>>a>>b;
c=3.14*a*a;
s=b*b;
if(c>s)
cout<<"I prefer centre 1";
else
cout<<"I prefer centre 2";
return 0;
}
Print Floyd's
using namespace std;
int main()
{
int n,k,i,j;
cin>>n;
k=1;
for(i=1;i<=n;i++)
{
for(j=1;j<=i;j++,k++)
{
cout<<k;
}
cout<<endl;
}
//cout<<"Hello World";
return 0;
}
Letter Pattern
#include
using namespace std;
int main()
{
int i,j,n;
char ch='A';
cin>>n;
for(i=1;i<=n;i++)
{
for(j=1;j<=i;j++)
{
if(ch < 'Z'+1)
cout<<ch++;
else{
ch = 'A';
cout << ch++;
}
}
cout<<endl;
}
return 0;
}
Scientist Game
using namespace std;
int main()
{
int origNum, num, rem, sum = 0;
cin >> origNum;
num = origNum;
while(num != 0)
{
rem = num % 10;
sum += rem * rem * rem;
num /= 10;
}
if(sum == origNum)
cout<<"Give to Scientist Armstrong";
else
cout<<"Dont Give to Scientist Armstrong";
return 0;
}
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