程序代码：

#include<stdio.h>
#include<string.h>
struct Person
{
    char name[20];
    int count;
}leader[3]={"Li",0,"Zhang",0,"Sun",0};

int main()
{
    int i, j;
    char leader_name[20];
    for (i = 1; i <= 10; i++)
    {
        scanf_s("%s", leader_name);
        for (j = 0; j < 3; j++)
            if (strcmp(leader_name, leader[j].name) == 0)
                leader[j].count++;
    }
    printf("\nResult is:\n");
    for (i = 0; i < 3; i++)
        printf("%5s:%d\n", leader[i].name, leader[i].count);
    return 0;
}