{"id":146392,"date":"2025-08-01T12:42:02","date_gmt":"2025-08-01T07:12:02","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=146392"},"modified":"2025-08-01T12:42:02","modified_gmt":"2025-08-01T07:12:02","slug":"cpp-loops","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/cpp-loops\/","title":{"rendered":"C++ Loops"},"content":{"rendered":"

Program 1<\/h3>\n
\/\/ Loops in CPP\r\n#include<iostream>\r\nusing namespace std;\r\nint main()\r\n{\r\n    system(\"cls\");\r\n    int i=1; \/\/ intilization     \r\n    int n;\r\n    cout<<\"Enter a number\";\r\n    cin>>n;\r\n    while(i<=10) \/\/condition     \r\n    {\r\n        cout<<n*i<<endl;\r\n        i++;  \/\/increment\r\n    }\r\n    \r\n\r\n    return 0;\r\n}<\/pre>\n
Program 2<\/h3>\n
#include<iostream>\r\nusing namespace std;\r\nint main()\r\n{\r\n    system(\"cls\");\r\n       int i,j;\r\n       for(i=1;i<=5;i++)     \r\n       {\r\n           for(j=1;j<=5;j++)\r\n           {\r\n              cout<<\"i=\"<<i<<\"  j=\"<<j<<\"  \";\r\n           }\r\n           cout<<endl;\r\n       }\r\n    return  0;\r\n}  \r\n\r\n\r\n\r\n\/\/ Addition of digit\r\n\/\/ #include<iostream>\r\n\/\/ using namespace std;\r\n\/\/ int main()\r\n\/\/ {\r\n\/\/     int n,r,s=0;\r\n\/\/     system(\"cls\");\r\n\/\/     cout<<\"Enter a number\";\r\n\/\/     cin>>n;   \/\/ n=123\r\n\/\/     while(n!=0)  \/\/ 0!=0\r\n\/\/     {\r\n\/\/         r=n%10;  \/\/ r=1\r\n\/\/         s=s+r;  \/\/s=3+2+1\r\n\/\/         n=n\/10; \/\/ n=0\r\n\/\/     }\r\n\/\/ cout<<\"Addition of individual digit is: \"<<s;\r\n\/\/ return 0;\r\n\/\/ }\r\n\r\n\/\/ \/\/ 123  --> 1+2+3 =6\r\n\r\n\r\n\r\n\/\/ Factorial of number\r\n\r\n\/*\r\nint n,f=1;\r\n    system(\"cls\");\r\n    cout<<\"Enter a number\";\r\n    cin>>n;           \r\n    while(n!=0)   \/\/n=0        \r\n    {\r\n        f=f*n;    \/\/ f=5*4*3*2*1\r\n        n--;    \r\n    }\r\n    cout<<\"Factorial is: \"<<f;\r\n*\/<\/pre>\n
Program 3<\/h3>\n
\/\/ Reverse of number\r\n#include<iostream>\r\nusing namespace std;\r\nint main()\r\n{\r\n    int n,r,s=0,m;\r\n    system(\"cls\");\r\n    cout<<\"Enter a number\";\r\n    cin>>n;    \/\/ 565\r\n    m=n;       \/\/ m=565\r\n    while(n!=0)  \r\n    {\r\n        r=n%10; \r\n        s=s*10+r;  \r\n        n=n\/10; \r\n    }\r\ncout<<\"\\n Reverse is: \"<<s;  \/\/ s=565\r\nif(m==s) \r\n  cout<<\"\\n No is Palindrom\";\r\n  else\r\n  cout<<\"\\n No is not Palindrom\";\r\nreturn 0;\r\n}<\/pre>\n
Program 4<\/h3>\n
\/\/ Armstrong number\r\n#include<iostream>\r\nusing namespace std;\r\nint main()\r\n{\r\n    int n,r,s=0,m;\r\n    system(\"cls\");\r\n    cout<<\"Enter a number\";\r\n    cin>>n;       \/\/ n=153\r\n    m=n;          \/\/ m=153\r\n    while(n!=0)  \/\/n=1!=0\r\n    {\r\n        r=n%10;   \/\/ r=1\r\n        s=s+(r*r*r); \/\/s=27+125+1 ==153\r\n        n=n\/10;  \/\/n=0\r\n    }\r\nif(m==s)\r\n  cout<<\"No is armstrong\";\r\n else\r\n cout<<\"No is not armstrong\";\r\nreturn 0;\r\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"
Program 1 \/\/ Loops in CPP #include<iostream> using namespace std; int main() { system(“cls”); int i=1; \/\/ intilization int n; cout<<“Enter a number”; cin>>n; while(i<=10) \/\/condition { cout<<n*i<<endl; i++; \/\/increment } return 0; }...<\/p>\n","protected":false},"author":581,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20172],"tags":[20277,28585,2263,35007,29218,35004,35005,23937,35006],"class_list":["post-146392","post","type-post","status-publish","format-standard","hentry","category-cpp","tag-c-loops","tag-c-tutorial","tag-c","tag-c-loops-programs","tag-c-program","tag-c-program-on-loops","tag-loops","tag-loops-in-c","tag-types-of-loops-in-c"],"yoast_head":"\nC++ Loops - DataFlair<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/data-flair.training\/blogs\/cpp-loops\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C++ Loops - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 \/\/ Loops in CPP #include<iostream> using namespace std; 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