{"id":92829,"date":"2026-08-11T11:41:04","date_gmt":"2026-08-11T03:41:04","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/92829.html"},"modified":"2026-08-11T11:41:04","modified_gmt":"2026-08-11T03:41:04","slug":"%e8%b4%aa%e5%bf%83%e7%ae%97%e6%b3%95-%e9%83%a8%e5%88%86%e8%83%8c%e5%8c%85%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/92829.html","title":{"rendered":"\u8d2a\u5fc3\u7b97\u6cd5 \u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u90e8\u5206\u80cc\u5305\u95ee\u9898"},"content":{"rendered":"

n\u79cd\u80cc\u5305，\u6bcf\u79cd\u80cc\u5305\u6709\u603b\u4ef7，\u6709\u6570\u91cf，\u6709\u4e00\u4e2a\u53ef\u4ee5\u88c5m\u6570\u91cf\u5546\u54c1\u7684\u80cc\u5305，\u8981\u6c42\u80cc\u5305\u653e\u5165\u5546\u54c1\u4ef7\u503c\u6700\u5927<\/span><\/p>\n

4\u00a0 7\u00a0 \u00a0 \u00a0\/\/\u8f93\u5165
\n20 3
\n12 6
\n10 3
\n25 5\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\u00a040.00\/\/\u8f93\u51fa<\/span><\/p>\n

#include <bits\/stdc++.h>
\nusing namespace std;
\nint main() {
\n int a[100]; \/\/ \u603b\u4ef7
\n int b[100]; \/\/ \u6570\u91cf\/\u91cd\u91cf
\n double h[100]; \/\/ \u5355\u4ef7
\n int c, d; \/\/ c:\u5546\u54c1\u6570\u91cf, d:\u80cc\u5305\u5bb9\u91cf
\n double v = 0; \/\/ \u603b\u4ef7\u503c
\n cin >> c >> d;
\n if (c <= 0 || d < 0) {
\n cout << fixed << setprecision(2) << 0.00 << endl;
\n return 0;
\n }
\n for (int i = 0; i < c; i++) {
\n cin >> a[i] >> b[i];
\n h[i] = (double)a[i] \/ b[i];
\n }
\n int idx[100];
\n for (int i = 0; i < c; i++) idx[i] = i;
\n sort(idx, idx + c, [&](int x, int y) {
\n return h[x] > h[y];
\n });
\n int s = d;
\n for (int i = 0; i < c; i++) {
\n int item = idx[i];
\n if (s <= 0) break;
\n if (b[item] <= s) {\/\/ \u80fd\u88c5\u4e0b\u5168\u90e8
\n v += a[item];
\n s -= b[item];
\n } else {
\n double q = (double)s \/ b[item];
\n v += a[item] * q;
\n s = 0;
\n break;
\n }
\n }
\n cout << fixed << setprecision(2) << v << endl;
\n return 0;
\n}<\/p>\n

\u4ee3\u7801\u5236\u4f5c\u4e0d\u6613，\u7ed9\u535a\u4e3b\u70b9\u4e2a\u8d5e\u5427！！！！！！！！！！！！！！！！！！！<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

n\u79cd\u80cc\u5305，\u6bcf\u79cd\u80cc\u5305\u6709\u603b\u4ef7，\u6709\u6570\u91cf，\u6709\u4e00\u4e2a\u53ef\u4ee5\u88c5m\u6570\u91cf\u5546\u54c1\u7684\u80cc\u5305，\u8981\u6c42\u80cc\u5305\u653e\u5165\u5546\u54c1\u4ef7\u503c\u6700\u59274\u00a0 7\u00a0 \u00a0 \u00a0\/\/\u8f93\u5165
\n20 3
\n12 6
\n10 3
\n25 5\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\u00a040.00\/\/\u8f93\u51fa#include
\nusing namespace std;
\nint main() {int a[100]; \/\/ \u603b\u4ef7int b[100]; \/\/ \u6570\u91cf\/\u91cd\u91cfdouble h[1<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[427,2891],"topic":[],"class_list":["post-92829","post","type-post","status-publish","format-standard","hentry","category-server","tag-427","tag-2891"],"yoast_head":"\n\u8d2a\u5fc3\u7b97\u6cd5 \u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u90e8\u5206\u80cc\u5305\u95ee\u9898 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/92829.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u8d2a\u5fc3\u7b97\u6cd5 \u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u90e8\u5206\u80cc\u5305\u95ee\u9898 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"n\u79cd\u80cc\u5305，\u6bcf\u79cd\u80cc\u5305\u6709\u603b\u4ef7，\u6709\u6570\u91cf，\u6709\u4e00\u4e2a\u53ef\u4ee5\u88c5m\u6570\u91cf\u5546\u54c1\u7684\u80cc\u5305，\u8981\u6c42\u80cc\u5305\u653e\u5165\u5546\u54c1\u4ef7\u503c\u6700\u59274\u00a0 7\u00a0 \u00a0 \u00a0\/\/\u8f93\u5165 20 3 12 6 10 3 25 5\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\u00a040.00\/\/\u8f93\u51fa#include using namespace std; int main() {int a[100]; \/\/ \u603b\u4ef7int b[100]; \/\/ \u6570\u91cf\/\u91cd\u91cfdouble h[1\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/92829.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-11T03:41:04+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/92829.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/92829.html\",\"name\":\"\u8d2a\u5fc3\u7b97\u6cd5 \u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u90e8\u5206\u80cc\u5305\u95ee\u9898 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-08-11T03:41:04+00:00\",\"dateModified\":\"2026-08-11T03:41:04+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/92829.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/92829.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/92829.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u8d2a\u5fc3\u7b97\u6cd5 \u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u90e8\u5206\u80cc\u5305\u95ee\u9898\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u8d2a\u5fc3\u7b97\u6cd5 \u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u90e8\u5206\u80cc\u5305\u95ee\u9898 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/92829.html","og_locale":"zh_CN","og_type":"article","og_title":"\u8d2a\u5fc3\u7b97\u6cd5 \u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u90e8\u5206\u80cc\u5305\u95ee\u9898 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"n\u79cd\u80cc\u5305，\u6bcf\u79cd\u80cc\u5305\u6709\u603b\u4ef7，\u6709\u6570\u91cf，\u6709\u4e00\u4e2a\u53ef\u4ee5\u88c5m\u6570\u91cf\u5546\u54c1\u7684\u80cc\u5305，\u8981\u6c42\u80cc\u5305\u653e\u5165\u5546\u54c1\u4ef7\u503c\u6700\u59274\u00a0 7\u00a0 \u00a0 \u00a0\/\/\u8f93\u5165 20 3 12 6 10 3 25 5\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\u00a040.00\/\/\u8f93\u51fa#include using namespace std; 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