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Codeforces 38 A - Army

//============================================================================
// Name        : [email protected]	A. Army
// Author      : LiJunLe
// Version     : Accepted
// Copyright   : http://www.codeforces.com/contest/38/problem/A
// Description : Hello World in C++, Ansi-style
//============================================================================

#include <iostream>
#include <stdio.h>
#define M 105
using namespace std;
int data[M];

int main() {
	int n;
	while (scanf("%d", &n) != EOF) {
		for (int i = 0; i < n-1; i++) {
			scanf("%d", &data[i]);
		}
		int a, b;
		scanf("%d%d", &a, &b);
		int ret = 0;
		for (int i = a-1; i < b-1; i ++) {
			ret += data[i];
		}
		printf("%d\n", ret);
	}
	return 0;
}
https://snipt.net/embed/bf7f7b306f4e70f754e1e0155a597fec/
/raw/bf7f7b306f4e70f754e1e0155a597fec/
bf7f7b306f4e70f754e1e0155a597fec
cpp
C++
31
2019-07-20T09:47:56
True
False
False
/api/public/snipt/20341/
codeforces-38-a-army
<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><a href="#L-1"> 1</a> <a href="#L-2"> 2</a> <a href="#L-3"> 3</a> <a href="#L-4"> 4</a> <a href="#L-5"> 5</a> <a href="#L-6"> 6</a> <a href="#L-7"> 7</a> <a href="#L-8"> 8</a> <a href="#L-9"> 9</a> <a href="#L-10">10</a> <a href="#L-11">11</a> <a href="#L-12">12</a> <a href="#L-13">13</a> <a href="#L-14">14</a> <a href="#L-15">15</a> <a href="#L-16">16</a> <a href="#L-17">17</a> <a href="#L-18">18</a> <a href="#L-19">19</a> <a href="#L-20">20</a> <a href="#L-21">21</a> <a href="#L-22">22</a> <a href="#L-23">23</a> <a href="#L-24">24</a> <a href="#L-25">25</a> <a href="#L-26">26</a> <a href="#L-27">27</a> <a href="#L-28">28</a> <a href="#L-29">29</a> <a href="#L-30">30</a></pre></div></td><td class="code"><div class="highlight"><pre><span></span><span id="L-1"><a name="L-1"></a><span class="c1">//============================================================================</span> </span><span id="L-2"><a name="L-2"></a><span class="c1">// Name : [email protected] A. Army</span> </span><span id="L-3"><a name="L-3"></a><span class="c1">// Author : LiJunLe</span> </span><span id="L-4"><a name="L-4"></a><span class="c1">// Version : Accepted</span> </span><span id="L-5"><a name="L-5"></a><span class="c1">// Copyright : http://www.codeforces.com/contest/38/problem/A</span> </span><span id="L-6"><a name="L-6"></a><span class="c1">// Description : Hello World in C++, Ansi-style</span> </span><span id="L-7"><a name="L-7"></a><span class="c1">//============================================================================</span> </span><span id="L-8"><a name="L-8"></a> </span><span id="L-9"><a name="L-9"></a><span class="cp">#include</span> <span class="cpf">&lt;iostream&gt;</span><span class="cp"></span> </span><span id="L-10"><a name="L-10"></a><span class="cp">#include</span> <span class="cpf">&lt;stdio.h&gt;</span><span class="cp"></span> </span><span id="L-11"><a name="L-11"></a><span class="cp">#define M 105</span> </span><span id="L-12"><a name="L-12"></a><span class="k">using</span> <span class="k">namespace</span> <span class="n">std</span><span class="p">;</span> </span><span id="L-13"><a name="L-13"></a><span class="kt">int</span> <span class="n">data</span><span class="p">[</span><span class="n">M</span><span class="p">];</span> </span><span id="L-14"><a name="L-14"></a> </span><span id="L-15"><a name="L-15"></a><span class="kt">int</span> <span class="nf">main</span><span class="p">()</span> <span class="p">{</span> </span><span id="L-16"><a name="L-16"></a> <span class="kt">int</span> <span class="n">n</span><span class="p">;</span> </span><span id="L-17"><a name="L-17"></a> <span class="k">while</span> <span class="p">(</span><span class="n">scanf</span><span class="p">(</span><span class="s">&quot;%d&quot;</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">n</span><span class="p">)</span> <span class="o">!=</span> <span class="n">EOF</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-18"><a name="L-18"></a> <span class="k">for</span> <span class="p">(</span><span class="kt">int</span> <span class="n">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="n">i</span> <span class="o">&lt;</span> <span class="n">n</span><span class="o">-</span><span class="mi">1</span><span class="p">;</span> <span class="n">i</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-19"><a name="L-19"></a> <span class="n">scanf</span><span class="p">(</span><span class="s">&quot;%d&quot;</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">data</span><span class="p">[</span><span class="n">i</span><span class="p">]);</span> </span><span id="L-20"><a name="L-20"></a> <span class="p">}</span> </span><span id="L-21"><a name="L-21"></a> <span class="kt">int</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">;</span> </span><span id="L-22"><a name="L-22"></a> <span class="n">scanf</span><span class="p">(</span><span class="s">&quot;%d%d&quot;</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">a</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">b</span><span class="p">);</span> </span><span id="L-23"><a name="L-23"></a> <span class="kt">int</span> <span class="n">ret</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> </span><span id="L-24"><a name="L-24"></a> <span class="k">for</span> <span class="p">(</span><span class="kt">int</span> <span class="n">i</span> <span class="o">=</span> <span class="n">a</span><span class="o">-</span><span class="mi">1</span><span class="p">;</span> <span class="n">i</span> <span class="o">&lt;</span> <span class="n">b</span><span class="o">-</span><span class="mi">1</span><span class="p">;</span> <span class="n">i</span> <span class="o">++</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-25"><a name="L-25"></a> <span class="n">ret</span> <span class="o">+=</span> <span class="n">data</span><span class="p">[</span><span class="n">i</span><span class="p">];</span> </span><span id="L-26"><a name="L-26"></a> <span class="p">}</span> </span><span id="L-27"><a name="L-27"></a> <span class="n">printf</span><span class="p">(</span><span class="s">&quot;%d</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">,</span> <span class="n">ret</span><span class="p">);</span> </span><span id="L-28"><a name="L-28"></a> <span class="p">}</span> </span><span id="L-29"><a name="L-29"></a> <span class="k">return</span> <span class="mi">0</span><span class="p">;</span> </span><span id="L-30"><a name="L-30"></a><span class="p">}</span> </span></pre></div> </td></tr></table>
38, a, army, cf, codeforces