View Compilation Error

0_0_38998375_1575.c:5:5: error: variably modified 'dis' at file scope
    5 | int dis[N],gap[N],head[N],num,start,end,ans,n,m;
      |     ^~~
0_0_38998375_1575.c:5:12: error: variably modified 'gap' at file scope
    5 | int dis[N],gap[N],head[N],num,start,end,ans,n,m;
      |            ^~~
0_0_38998375_1575.c:5:19: error: variably modified 'head' at file scope
    5 | int dis[N],gap[N],head[N],num,start,end,ans,n,m;
      |                   ^~~~
0_0_38998375_1575.c:6:5: error: variably modified 'v1' at file scope
    6 | int v1[N],v2[N];
      |     ^~
0_0_38998375_1575.c:6:11: error: variably modified 'v2' at file scope
    6 | int v1[N],v2[N];
      |           ^~