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View Compilation Error

0_0_38626539_3370.cpp: In function 'void djstl()':
0_0_38626539_3370.cpp:2:12: error: 'vis' was not declared in this scope
     memset(vis,0,sizeof(vis));
            ^~~
0_0_38626539_3370.cpp:2:12: note: suggested alternative: 'void'
     memset(vis,0,sizeof(vis));
            ^~~
            void
0_0_38626539_3370.cpp:2:5: error: 'memset' was not declared in this scope
     memset(vis,0,sizeof(vis));
     ^~~~~~
0_0_38626539_3370.cpp:2:5: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
+#include <cstring>
 void djstl(){
     memset(vis,0,sizeof(vis));
     ^~~~~~
0_0_38626539_3370.cpp:3:10: error: 'dis' was not declared in this scope
   memset(dis,inf,sizeof(dis));
          ^~~
0_0_38626539_3370.cpp:3:14: error: 'inf' was not declared in this scope
   memset(dis,inf,sizeof(dis));
              ^~~
0_0_38626539_3370.cpp:3:14: note: suggested alternative: 'int'
   memset(dis,inf,sizeof(dis));
              ^~~
              int
0_0_38626539_3370.cpp:4:20: error: 'n' was not declared in this scope
     for(int i=0;i<=n;i++) dis[i]=a[0][i];
                    ^
0_0_38626539_3370.cpp:4:34: error: 'a' was not declared in this scope
     for(int i=0;i<=n;i++) dis[i]=a[0][i];
                                  ^
0_0_38626539_3370.cpp:5:20: error: 'n' was not declared in this scope
     for(int i=0;i<=n;i++){
                    ^
0_0_38626539_3370.cpp:15:41: error: 'a' was not declared in this scope
              if(!vis[j]&&dis[j]>dis[pt]+a[pt][j])
                                         ^
0_0_38626539_3370.cpp: In function 'int main()':
0_0_38626539_3370.cpp:21:4: error: 'ios' has not been declared
    ios::sync_with_stdio(false);
    ^~~
0_0_38626539_3370.cpp:22:5: error: 'cin' was not declared in this scope
     cin.tie(0);cout.tie(0);
     ^~~
0_0_38626539_3370.cpp:22:5: note: suggested alternative: 'main'
     cin.tie(0);cout.tie(0);
     ^~~
     main
0_0_38626539_3370.cpp:22:16: error: 'cout' was not declared in this scope
     cin.tie(0);cout.tie(0);
                ^~~~
0_0_38626539_3370.cpp:23:16: error: 'n' was not declared in this scope
     while(cin>>n>>m>>s){
                ^
0_0_38626539_3370.cpp:23:19: error: 'm' was not declared in this scope
     while(cin>>n>>m>>s){
                   ^
0_0_38626539_3370.cpp:23:22: error: 's' was not declared in this scope
     while(cin>>n>>m>>s){
                      ^
0_0_38626539_3370.cpp:24:16: error: 'a' was not declared in this scope
         memset(a,inf,sizeof a);
                ^
0_0_38626539_3370.cpp:24:18: error: 'inf' was not declared in this scope
         memset(a,inf,sizeof a);
                  ^~~
0_0_38626539_3370.cpp:24:18: note: suggested alternative: 'int'
         memset(a,inf,sizeof a);
                  ^~~
                  int
0_0_38626539_3370.cpp:24:9: error: 'memset' was not declared in this scope
         memset(a,inf,sizeof a);
         ^~~~~~
0_0_38626539_3370.cpp:24:9: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
0_0_38626539_3370.cpp:26:18: error: 'q' was not declared in this scope
             cin>>q>>p>>t;
                  ^
0_0_38626539_3370.cpp:26:21: error: 'p' was not declared in this scope
             cin>>q>>p>>t;
                     ^
0_0_38626539_3370.cpp:26:24: error: 't' was not declared in this scope
             cin>>q>>p>>t;
                        ^
0_0_38626539_3370.cpp:27:21: error: 'min' was not declared in this scope
             a[p][q]=min(t,a[p][q]);
                     ^~~
0_0_38626539_3370.cpp:27:21: note: suggested alternative: 'main'
             a[p][q]=min(t,a[p][q]);
                     ^~~
                     main
0_0_38626539_3370.cpp:30:14: error: 'w' was not declared in this scope
         cin>>w;
              ^
0_0_38626539_3370.cpp:32:18: error: 'city' was not declared in this scope
             cin>>city;
                  ^~~~
0_0_38626539_3370.cpp:36:12: error: 'dis' was not declared in this scope
         if(dis[s]==inf) cout<<-1<<'\n';
            ^~~


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