#include<stdio.h> int run(int old, int year);
int main(void){ int old = 21; int year = 1999; int days; printf("I am %d years old.\n",old); printf("I have lived %d days.",run(old,year)*366 + (old - run(old,year)) * 365); return 0; }
int run(int old, int year){ if(year%4 == 0) return old/4 + 1; else{ if(old%4 == 0 || old < 4) return old/4; else return old/4 + 1; } }
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