View Compilation Error

0_0_16852583_21984.cpp: In function 'void dijkstra()':
0_0_16852583_21984.cpp:13:21: error: 's' was not declared in this scope
         dis[i]=mapp[s][i];
                     ^
0_0_16852583_21984.cpp:16:9: error: 's' was not declared in this scope
     dis[s]=0;
         ^
0_0_16852583_21984.cpp:29:18: error: 'e' was not declared in this scope
         if(visit[e]==1) return;
                  ^