'commit'

C++专题课程/基础知识/统计个数（数字）.cpp

@@ -0,0 +1,45 @@
+#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<><30>99]<5D><>Χ<EFBFBD>ڵ<EFBFBD><DAB5><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;
+}
+