/**
* @brief Codeforces Round #283 (Div. 2) a
* @file a.cpp
* @author mianma
* @created 2014/12/18 17:45
* @edited 2014/12/18 17:45
* @type brute
* @note
*/
#include <fstream>
#include <iostream>
#include <cstring>
using namespace std;
#define max(a, b) ((a) > (b) ? (a) : (b))
#define min(a, b) ((a) > (b) ? (b) : (a))
#define abs(a) ((a) > 0 ? (a) : (0 - (a)))
#define CLR(vec) memset(vec, 0, sizeof(vec))
#ifdef DEBUG
ifstream in;
ofstream out;
#define CIN in
#define COUT out
#else
#define CIN cin
#define COUT cout
#endif
#define MAXN 105
#define INF 1000100
int n;
int table[MAXN];
int ans = INF;
int main(void){
ios_base::sync_with_stdio(0);
#ifdef DEBUG
CIN.open("./in", ios::in);
COUT.open("./out", ios::out);
#endif
CIN >> n;
for(int i = 0; i < n; i++){
CIN >> table[i];
}
for(int i = 1; i < n - 1; i++){
int tmp = -1;
for(int j = 1; j < n; j++){
if(i == j)
continue;
else if(i + 1 == j)
tmp = max( tmp, table[j] - table[j - 2] );
else
tmp = max( tmp, table[j] - table[j - 1] );
}
ans = min(tmp, ans);
}
COUT << ans << "\n";
return 0;
}
转载于:https://my.oschina.net/u/572632/blog/357730