题目链接:Codeforces 637A Voting for Photos
题意:找出现最多的数,有多个输出出现靠前的数。
AC 代码:
#include <iostream>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <cmath>
#include <algorithm>
#include <vector>
#include <queue>
#include <map>
#include <stack>
#define PI acos(-1.0)
#define CLR(a, b) memset(a, (b), sizeof(a))
#define fi first
#define se second
#define ll o<<1
#define rr o<<1|1
using namespace std;
typedef long long LL;
typedef pair<LL, LL> pii;
const int MAXN = 1e6 + 1;
const int pN = 1e6;// <= 10^7
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;
void getmax(int &a, int b) {a = max(a, b); }
void getmin(int &a, int b) {a = min(a, b); }
void add(LL &x, LL y) { x += y; x %= MOD; }
int a[1010], num[MAXN];
int main()
{
int n; cin >> n;
int ans = 0;
for(int i = 0; i < n; i++) {
cin >> a[i];
num[a[i]]++;
ans = max(ans, num[a[i]]);
}
CLR(num, 0);
for(int i = 0; i < n; i++) {
num[a[i]]++;
if(num[a[i]] == ans) {
cout << a[i] << endl;
break;
}
}
return 0;
}