0_0_33803946_23826.cpp: In function 'int spfa()':
0_0_33803946_23826.cpp:24:32: error: 'memset' was not declared in this scope
memset(dis,0x3f,sizeof(dis));
^
0_0_33803946_23826.cpp: In function 'int main()':
0_0_33803946_23826.cpp:57:35: error: 'memset' was not declared in this scope
memset(head,0,sizeof(head));
^
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