0_0_13852153_10729.cpp: In function 'void Init()':
0_0_13852153_10729.cpp:16:29: error: 'memset' was not declared in this scope
memset(head,-1,sizeof(head));
^
0_0_13852153_10729.cpp: In function 'int spfa()':
0_0_13852153_10729.cpp:36:28: error: 'memset' was not declared in this scope
memset(dis,inf,sizeof(dis));
^
0_0_13852153_10729.cpp: At global scope:
0_0_13852153_10729.cpp:78:1: error: expected unqualified-id before '--' token
----------------------------------------------------------------------------------
^
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