help me!

P1055 [NOIP2008 普及组] ISBN 号码

不会了
by ycx20120224 @ 2023-08-13 18:44:18


@[ycx20120224](/user/1057768) 以下代码供参考: ```cpp #include <iostream> #include <cstring> #include <string> using namespace std; char a[13]; int main(){ cin>>a; int a1=(a[0]-48)*1; int a2=(a[2]-48)*2; int a3=(a[3]-48)*3; int a4=(a[4]-48)*4; int a5=(a[6]-48)*5; int a6=(a[7]-48)*6; int a7=(a[8]-48)*7; int a8=(a[9]-48)*8; int a9=(a[10]-48)*9; int a10=(a1+a2+a3+a4+a5+a6+a7+a8+a9)%11; if(a10==10&&a[12]=='X'||a10==a[12]-48){ cout <<"Right"; }else if(a10==10&&a[12]!='X'){ for(int i=0;i<strlen(a)-1;i++){ cout <<a[i]; } cout <<"X"; }else{ for(int i=0;i<strlen(a)-1;i++){ cout <<a[i]; } cout <<a10; } return 0; } ```
by Gohldg @ 2023-08-13 18:51:04


@[Gohldg](/user/757214) 谢谢
by ycx20120224 @ 2023-08-14 07:41:23


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