/in/foo.cc:7:62: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
 int murakumo1[70][70],murakumo2[70][3610][70],m,n,k,ans=1<<31-1;
                                                            ~~^~
/in/foo.cc: In function 'int main()':
/in/foo.cc:12:40: error: 'memset' was not declared in this scope
  memset(murakumo2,127,sizeof(murakumo2));
                                        ^