(I7
I123
I149
(dp0
Vmetro.%l
p1
(Vmetro.cpp
p2
S'#include<bits/stdc++.h>\r\nusing namespace std;\r\nbool big[10005];\r\nint main(){\r\n    int n,m,h,c=0,a,b,j;\r\n    cin>>n>>m;\r\n    for(int i=0;i<m;i++){\r\n        cin>>h;\r\n        big[h]=true;\r\n    }\r\n    cin>>a>>b;\r\n    for(int i=a;i!=b;i){\r\n        if(big[i]){\r\n            j=i+1;\r\n            while(!big[j])j++;\r\n            if(j<=b){\r\n                c+=2;\r\n            }else{\r\n                c+=min(2+j-b,b-i);\r\n                i=b;\r\n            }\r\n\r\n        }else{\r\n            i++;\r\n            c++;\r\n        }\r\n    }\r\n    cout<<c<<endl;\r\nreturn 0;\r\n}\r\n/*\r\n22 3\r\n1 10 20\r\n8 19\r\n*/\r\n'
p3
tp4
stp5
.