题目链接:http://codeforces.com/contest/673/problem/A
题意:一个人看一个90分钟的节目,然后告诉你一些有趣的时刻。这个人假如在15分钟内还没有看到有趣的时刻,那他就关电视。问这个人能看多长时间的电视。
记下两两节目的时间差,起始是0终止是90不要忘记。然后扫一遍就好,最后如果超出90要输出90。
/*
━━━━━┒ギリギリ♂ eye!
┓┏┓┏┓┃キリキリ♂ mind!
┛┗┛┗┛┃\○/
┓┏┓┏┓┃ /
┛┗┛┗┛┃ノ)
┓┏┓┏┓┃
┛┗┛┗┛┃
┓┏┓┏┓┃
┛┗┛┗┛┃
┓┏┓┏┓┃
┛┗┛┗┛┃
┓┏┓┏┓┃
┃┃┃┃┃┃
┻┻┻┻┻┻
*/
#include <algorithm>
#include <iostream>
#include <iomanip>
#include <cstring>
#include <climits>
#include <complex>
#include <fstream>
#include <cassert>
#include <cstdio>
#include <bitset>
#include <vector>
#include <deque>
#include <queue>
#include <stack>
#include <ctime>
#include <set>
#include <map>
#include <cmath>
using namespace std;
#define fr first
#define sc second
#define cl clear
#define BUG puts("here!!!")
#define W(a) while(a--)
#define pb(a) push_back(a)
#define Rlf(a) scanf("%llf", &a);
#define Rint(a) scanf("%d", &a)
#define Rll(a) scanf("%I64d", &a)
#define Rs(a) scanf("%s", a)
#define Cin(a) cin >> a
#define FRead() freopen("in", "r", stdin)
#define FWrite() freopen("out", "w", stdout)
#define Rep(i, len) for(int i = 0; i < (len); i++)
#define For(i, a, len) for(int i = (a); i < (len); i++)
#define Cls(a) memset((a), 0, sizeof(a))
#define Clr(a, x) memset((a), (x), sizeof(a))
#define Full(a) memset((a), 0x7f7f, sizeof(a))
#define lrt rt << 1
#define rrt rt << 1 | 1
#define pi 3.14159265359
#define RT return
#define lowbit(x) x & (-x)
#define onenum(x) __builtin_popcount(x)
typedef long long LL;
typedef long double LD;
typedef unsigned long long ULL;
typedef pair<int, int> pii;
typedef pair<string, int> psi;
typedef map<string, int> msi;
typedef vector<int> vi;
typedef vector<LL> vl;
typedef vector<vl> vvl;
typedef vector<bool> vb; const int maxn = ;
int n;
int t[maxn];
int s[maxn]; int main() {
// FRead();
Cls(s);
Rint(n);
Rep(i, n) Rint(t[i]);
Rep(i, n) {
if(i == ) {
s[i] = t[i];
continue;
}
s[i] = t[i] - t[i-];
}
s[n] = - s[n-];
int ret = ;
Rep(i, n+) {
if(s[i] <= ) {
ret += s[i];
}
else {
ret += ;
break;
}
}
printf("%d\n", ret > ? : ret);
RT ;
}