代码逻辑如下，不能通过全部测试数据，问下各位大佬哪里有问题呢？

#include <bits/stdc++.h>

using namespace std;

struct country{
    float gold_medal;
    float medals;
    double gold_proportion;
    double medal_proportion;
    int num;
}t[1005],t1[1005];

int cmp1(country a, country b){
    if(a.gold_medal==b.gold_medal) return a.num>b.num;
    return a.gold_medal>b.gold_medal;
}

int cmp2(country a, country b){
    if(a.medals==b.medals) return a.num>b.num;
    return a.medals>b.medals;
}

int cmp3(country a, country b){
    if(a.gold_proportion==b.gold_proportion) return a.num>b.num;
    return a.gold_proportion>b.gold_proportion;
}

int cmp4(country a, country b){
    if(a.medal_proportion==b.medal_proportion) return a.num>b.num;
    return a.medal_proportion>b.medal_proportion;
}

int get_rank(country a,i...