02-线性结构1. 一元多项式求导 (25)

<h1 style="margin: 0px 0px 0.5em; padding: 0px; border: 0px; font-stretch: inherit; vertical-align: baseline;">02-线性结构1. 一元多项式求导 (25)</h1><div id="problemInfo" class="rfloat" style="margin: 0px; padding: 2px; border: 1px solid rgb(221, 221, 221); font-stretch: inherit; vertical-align: baseline; float: right; text-align: center;"><div class="limit" style="margin: 0px; padding: 0px; border: 0px; font-stretch: inherit; vertical-align: baseline;"><div class="key" style="margin: 0px; padding: 0px 20px; border: 0px; font-stretch: inherit; vertical-align: baseline;">时间限制</div><div class="value" style="margin: 0px; padding: 0px; border: 0px; font-stretch: inherit; vertical-align: baseline;">400 ms</div></div><div class="limit" style="margin: 0px; padding: 0px; border: 0px; font-stretch: inherit; vertical-align: baseline;"><div class="key" style="margin: 0px; padding: 0px 20px; border: 0px; font-stretch: inherit; vertical-align: baseline;">内存限制</div><div class="value" style="margin: 0px; padding: 0px; border: 0px; font-stretch: inherit; vertical-align: baseline;">65536 kB</div></div><div class="limit" style="margin: 0px; padding: 0px; border: 0px; font-stretch: inherit; vertical-align: baseline;"><div class="key" style="margin: 0px; padding: 0px 20px; border: 0px; font-stretch: inherit; vertical-align: baseline;">代码长度限制</div><div class="value" style="margin: 0px; padding: 0px; border: 0px; font-stretch: inherit; vertical-align: baseline;">8000 B</div></div><div class="checker" style="margin: 0px; padding: 0px; border: 0px; font-stretch: inherit; vertical-align: baseline;"><div class="key" style="margin: 0px; padding: 0px 20px; border: 0px; font-stretch: inherit; vertical-align: baseline;">判题程序</div><div class="value" style="margin: 0px; padding: 0px; border: 0px; font-stretch: inherit; vertical-align: baseline;"><span title="纯文本对比" style="margin: 0px; padding: 0px; border: 0px; font-stretch: inherit; vertical-align: baseline;">Standard</span></div></div></div><div id="problemContent" style="margin: 0px; padding: 0px; border: 0px; font-stretch: inherit; vertical-align: baseline;"><p style="margin-top: 0px; margin-bottom: 1.5em; padding-top: 0px; padding-bottom: 0px; border: 0px; border-image-source: initial; border-image-slice: initial; border-image-width: initial; border-image-outset: initial; border-image-repeat: initial; font-stretch: inherit; vertical-align: baseline;">设计函数求一元多项式的导数。（注：x<span style="line-height: 0;">n</span>（n为整数）的一阶导数为n*x<span style="line-height: 0;">n-1</span>。）</p><p style="margin-top: 0px; margin-bottom: 1.5em; padding-top: 0px; padding-bottom: 0px; border: 0px; border-image-source: initial; border-image-slice: initial; border-image-width: initial; border-image-outset: initial; border-image-repeat: initial; font-stretch: inherit; vertical-align: baseline;">输入格式：以指数递降方式输入多项式非零项系数和指数（绝对值均为不超过1000的整数）。数字间以空格分隔。</p><p style="margin-top: 0px; margin-bottom: 1.5em; padding-top: 0px; padding-bottom: 0px; border: 0px; border-image-source: initial; border-image-slice: initial; border-image-width: initial; border-image-outset: initial; border-image-repeat: initial; font-stretch: inherit; vertical-align: baseline;">输出格式：以与输入相同的格式输出导数多项式非零项的系数和指数。数字间以空格分隔，但结尾不能有多余空格。注意“零多项式”的指数和系数都是0，但是表示为“0 0”。</p>输入样例：<pre style="margin-top: 1.5em; margin-bottom: 1.5em; padding: 0px; border: 0px; border-image-source: initial; border-image-slice: initial; border-image-width: initial; border-image-outset: initial; border-image-repeat: initial; font-stretch: normal; vertical-align: baseline; overflow: auto;">3 4 -5 2 6 1 -2 0

输出样例：

12 3 -10 1 6 0

#include <stdio.h>#include <string.h>int main(){int n, e, flag = 0;while (scanf("%d%d", &n, &e) != EOF){if( n*e ){if(flag)printf(" ");elseflag = 1;printf("%d %d", n*e, e-1);}}if(!flag) printf("0 0");return 0;}