0_0_20930990_32614.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
#include
^
0_0_20930990_32614.cpp:2:9: error: #include expects "FILENAME" or <FILENAME>
#include
^
0_0_20930990_32614.cpp: In function 'void spfa()':
0_0_20930990_32614.cpp:13:9: error: expected ')' before '{' token
while(l {
^
0_0_20930990_32614.cpp: In function 'int main()':
0_0_20930990_32614.cpp:29:14: error: 'scanf' was not declared in this scope
scanf("%d",&f);
^
0_0_20930990_32614.cpp:51:18: error: 'printf' was not declared in this scope
printf("%d\n",ans);
^
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