classProgram {Static voidMain (string[] args) { while(true) { /*★★★★★★★★★★★★★★★*/ /*string s = "★"; int n; Console.WriteLine ("Please enter a number:"); n = Convert.ToInt32 (Console.ReadLine ()); for (int i = 1, i <= N; i++) {for (int j = 1; J <=i; J + +) { Console.Write (s); } Console.WriteLine (); } */ /*★★★★★★★★★★★★★★★*/ /*string s = "★"; int n; Console.WriteLine ("Please enter a number:"); n = Convert.ToInt32 (Console.ReadLine ()); for (int i = 1, i <= N; i++) {for (int j = 1; J <=n+1-i; J + +) {Console.Write (s); } Console.WriteLine (); } */ /*★★★★★★★★★★★★★★★ */ /*string s = "★"; int n; Console.WriteLine ("Please enter a number:"); n = Convert.ToInt32 (Console.ReadLine ()); for (int i = 1, i<=n; i++) {for (int j = 1; J <= (N-i); j + +) { Console.Write (""); } for (int t = 1; t <=i; t++) {Console.Write (s); } Console.WriteLine (""); } */ /*★★★★★★★★★★★★★★★★ ★★★★★★★★★*/ /*string s = "★"; int n; Console.WriteLine ("Please enter a number:"); n = Convert.ToInt32 (Console.ReadLine ()); for (int i = 1, i <=n; i++) {for (int j = 1; J <= (N-i); j + +) { Console.Write (""); } for (int t = 1; t<= (2*i-1); t++) {Console.Write (s); } Console.WriteLine (); } */ /*★★★★★★★★★★★★★★★ ★★★★★★★★★★*/ /* string s = "★"; int n; Console.WriteLine ("Please enter a number:"); n = Convert.ToInt32 (Console.ReadLine ()); for (int i = 1, i <=n; i++) {for (int b = 1; b <=n-i; b++) {Console.Write (""); } for (int j= 1; J <=i; J + +) {Console.Write (s); ; } Console.WriteLine (); } for (int p = 1, p <=n; p++) {for (int o = 1; o <=p; o++) {Console.Write (""); } for (int k = 1; k <=n-p; k++) {Console.wri Te (s); } Console.WriteLine (); } Console.WriteLine (); /*★★★★★★★★★★★★★*/ strings ="★"; intN; Console.WriteLine ("Please enter a number:"); N=Convert.ToInt32 (Console.ReadLine ()); for(inti =1; I <=n; i++) { for(intx =1; X <=n-i; X + +) {Console.Write (" "); } for(inty =1; Y <=2*i-1; y++) {Console.Write (s); } Console.WriteLine (); } for(intt =1; T <n; t++) { for(intz =1; Z <=t; z++) {Console.Write (" "); } for(intQ =1; Q <=2* (N-T)-1; q++)//The most important formula!! {Console.Write (s); } Console.WriteLine (); } /*★★★★★★★★★★★★★★*/ /*string s = "★"; int n; Console.WriteLine ("Please enter a number (greater than 4):"); n = Convert.ToInt32 (Console.ReadLine ()); for (int i = 4, I <= N; i++) {for (int j = 1; J <= (N-i); j + +) {Console.Write (""); } for (int t = 1; t <= (2 * i-1); t++) {Console.Write (s); } Console.WriteLine (); } */Console.ReadLine (); } } }}
C # Diamond, triangle