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#include <stdio.h>
#include <signal.h>
int count;
void printandreset(int sig) {
alarm(1);
printf("persecond: %d\n",count);
count=0;
}
int main(int argc,char *argv[]) {
char in[256];
count=0;
signal(SIGALRM,printandreset);
alarm(1);
while(fgets(in,256,stdin)) {
count++;
}
return 0;
}
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