ccf csp 201912-1报数c语言
#include<stdio.h>
int main(){
int n
,i
,k
=1,j
=0,a
[4]={0};
scanf("%d",&n
);
for(i
=1;k
<=n
;i
++){
if(i
%7==0||i
%10==7||i
/10%10==7||i
/100==7){
a
[j
%4]++;
k
--;
}
k
++;
j
++;
}
for(i
=0;i
<4;i
++){
printf("%d\n",a
[i
]);
}
return 0;
}
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