online_judge_1007

<pre name="code" class="plain"><span style="font-size:24px;">#include <stdio.h>#include <stdlib.h>typedef struct guojia{     int gold;     int prize;     int population;}node;typedef struct shu{    int m_c;    int way;}result; result sort(node *,int,int);void input(node *,int);void output(result *,int); int main(){    int n,m;    while(scanf("%d%d",&n,&m)!=EOF)    {        node *a=(node *)malloc(sizeof(node)*n);        node *d=(node *)malloc(sizeof(node)*m);        result *b=(result *)malloc(sizeof(result)*m);        int *c=(int *)malloc(sizeof(int)*m);        int i;        input(a,n);        for(i=0;i<m;i++)        {            scanf("%d",&c[i]);            d[i]=a[c[i]];        }        for(i=0;i<m;i++)            b[i]=sort(d,i,m);        output(b,m);    }    return 0;}void input(node d[],int n){    int i;    for(i=0;i<n;i++)    {        scanf("%d",&d[i].gold);        scanf("%d",&d[i].prize);        scanf("%d",&d[i].population);    }}result sort(node *a,int num,int n){    result temp;    int i,n1=1,n2=1,n3=1,n4=1;    for(i=0;i<n;i++)    {        if(a[i].gold>a[num].gold) n4++;        if(a[i].prize>a[num].prize) n3++;        if(a[i].gold*a[num].population>a[num].gold*a[i].population) n2++;        if(a[i].prize*a[num].population>a[num].prize*a[i].population) n1++;    }    if(n4<=n3&&n4<=n2&&n4<=n1)    {        temp.m_c=n4;        temp.way=1;    }    else if(n3<n4&&n3<=n2&&n3<=n1)    {        temp.m_c=n3;        temp.way=2;    }    else if(n2<n4&&n2<n3&&n2<=n1)    {        temp.m_c=n2;        temp.way=3;    }    else    {        temp.m_c=n1;        temp.way=4;    }    return temp;}void output(result *b,int m){    int i;    for(i=0;i<m;i++)        printf("%d:%d\n",b[i].m_c,b[i].way);    printf("\n");}/**************************************************************    Problem: 1007    User: 2499088506    Language: C    Result: Accepted    Time:0 ms    Memory:912 kb****************************************************************/</span>

<span style="font-size:18px;">很多时候看起来容易，做起来却是十分难。这样一道题目，我琢磨了几个小时，提交了五次才成功！学习编程不光要坚持练习，还要多总结。也许是我的变成习惯不好吧！第一次提交失败对我来说是很可怕的。只有通过全篇检查才能发现错误。很多时候也许是题目做的太少了吧！</span>