0_0_24516393_29889.cpp: In function 'int main()':
0_0_24516393_29889.cpp:5:47: error: 'strcmp' was not declared in this scope
while(scanf("%s%s",r,s)!=EOF&&strcmp(r,"#")!=0){
^
0_0_24516393_29889.cpp:6:28: error: 'strlen' was not declared in this scope
int lenth =strlen(r);
^
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