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python/C++专题课程/基础知识/统计个数(数字).cpp

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2025-08-30 18:35:01 +08:00
#include<bits/stdc++.h>
using namespace std;
/*
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>100<EFBFBD><EFBFBD>[0<EFBFBD><EFBFBD>99]<EFBFBD><EFBFBD>Χ<EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
ͳ<EFBFBD>Ƹ<EFBFBD>λ<EFBFBD>ϵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱַ<EFBFBD>Ϊ0<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD>2<EFBFBD><EFBFBD>3<EFBFBD><EFBFBD>4<EFBFBD><EFBFBD>5<EFBFBD><EFBFBD>6<EFBFBD><EFBFBD>7<EFBFBD><EFBFBD>8<EFBFBD><EFBFBD>9<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*/
#define MAX 101
void input(int num[]) {
int i;
srand((unsigned)time(NULL));
for(i=1; i<MAX; i++)
num[i]=rand()%100;
}
void output(int num[]) {
int i;
for(i=1; i<MAX; i++) {
printf("%5d", num[i]);
if(0==i%10)
printf("\n");
}
printf("\n");
}
void cal_num(int num[], int count[]) {
int i, mod;
for(i=1; i<MAX; i++) {
mod=num[i]%10;
count[mod]++;
}
}
int main() {
int num[MAX];
int i, count[10];
memset(count, 0, 10*sizeof(int)); /* initial count[] to 0 */
input(num);
printf("100 num:\n");
output(num);
cal_num(num, count);
for(i=0; i<10; i++)
printf("%d: %d\n", i, count[i]);
return 0;
}