1001随记

1001  求1~N的和 Problem : 1001 ( Sum Problem )     Judge Status : Accepted RunId : 21512142    Language : C    Author : jim0912 Code Render Status : Rendered By HDOJ C Code Render Version 0.01 Beta #include <stdio.h> int main () { int n,i,sum=0; while(scanf("%d",&n)!=EOF){ for(i=1;i<=n;){ sum=sum+i; i++; } printf("%d\n\n",sum); sum=0; } }

Problem : 1001 ( Sum Problem )     Judge Status : Presentation Error RunId : 21511263    Language : C    Author : jim0912 Code Render Status : Rendered By HDOJ C Code Render Version 0.01 Beta #include <stdio.h> int main () { int n,i,sum=0; while(scanf("%d",&n)!=EOF){ for(i=1;i<=n;){ sum=sum+i; i++; } printf("%d\n",sum);//没按要求 followed by a blank line 要再加\n sum=0; } }

Problem : 1001 ( Sum Problem )     Judge Status : Wrong Answer RunId : 21511178    Language : C    Author : jim0912 Code Render Status : Rendered By HDOJ C Code Render Version 0.01 Beta #include <stdio.h> int main () { int n,i,sum=0; while(scanf("%d",&n)!=EOF){ for(i=1;i<=n;){ sum=sum+i; i++; } printf("%d\n",sum); } //没有清空总和sum变量 }