1.8

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#include<stdio.h>main(){int c, nl;nl = 0;while ((c = getchar()) != EOF)if (c == '\n')++nl;printf("%d\n", nl);}


#include<stdio.h>main(){int c, nl;nl = 0;while ((c = getchar()) != EOF)if (c == ' ')++nl;printf("%d\n", nl);}

#include<stdio.h>main(){int c, nl;nl = 0;while ((c = getchar()) != EOF)if (c == '\t')++nl;printf("%d\n", nl);}