题解 | #统计数据正负个数#

#include <stdio.h> int main() { int arr[10]; int i = 0; int p = 0; int n = 0; //for (i = 0; i < 10; i++) //{ // scanf("%d", &arr[i]); //输数据 // if (arr[i] > 0) //判断正负 // p++; // else // n++; //} while (scanf("%d", &arr[i]) != EOF) { if (arr[i] > 0) //判断正负 p++; else n++; } printf("positive:%d\n", p); printf("negative:%d\n", n); return 0; }</stdio.h>