1.0JassWebhttps://jassweb.com/solvedKirathttps://jassweb.com/solved/author/jaspritsinghghumangmail-com/rich600338<blockquote class="wp-embedded-content" data-secret="AFSUN3CnnO"><a href="https://jassweb.com/solved/solved-error-while-taking-the-input/">[Solved] Error While taking the input</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://jassweb.com/solved/solved-error-while-taking-the-input/embed/#?secret=AFSUN3CnnO" width="600" height="338" title="“[Solved] Error While taking the input” — JassWeb" data-secret="AFSUN3CnnO" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://jassweb.com/solved/wp-includes/js/wp-embed.min.js </script> [ad_1] Got your problem! Never use newlines, whitespace, tabs and return carriages inside scanf as to avoid such problems and maintaining good coding guidelines! These act as delimiters for it and you have provided 3 of them. Edit your menu scanf to this:- scanf("%d",&k); A basic logic behind it:- Taking a basic example :- scanf("%d ... Read more