0_0_24566296_31225.cpp: In function 'int main()':
0_0_24566296_31225.cpp:67:51: error: 'strcmp' was not declared in this scope
while (scanf("%s%s%*c", s1, s2), strcmp(s1, "END"))
^
0_0_24566296_31225.cpp:79:24: error: 'strcmp' was not declared in this scope
if (strcmp(s2, "END") == 0)
^
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