{"id":653,"date":"2024-07-08T09:00:00","date_gmt":"2024-07-08T01:00:00","guid":{"rendered":"https:\/\/seanxd.com\/?p=653"},"modified":"2024-07-08T09:01:03","modified_gmt":"2024-07-08T01:01:03","slug":"zerojudge-d804","status":"publish","type":"post","link":"https:\/\/seanxd.com\/en\/zerojudge-d804\/","title":{"rendered":"ZeroJudge D804: Lunch"},"content":{"rendered":"\n\n\n

\u67d0\u5929\u4e2d\u5348\u4f60\u5f88\u9913\u5f88\u9913\u5f88\u9913\u975e\u5e38\u9913\u9913\u5230\u4e0d\u884c\uff01
\u53ef\u662f\u4f60\u5df2\u7d93\u548c\u4eba\u7d04\u597d\u4e2d\u5348\u8981\u53bb\u7df4\u7fd2\u5beb\u7a0b\u5f0f\uff0c
\u56e0\u6b64\u4f60\u6c7a\u5b9a\u7528\u6700\u5feb\u7684\u901f\u5ea6\u5403\u98fd\u5f8c\u524d\u5f80\u96fb\u6559\uff0c
\u800c\u4e0d\u540c\u7684\u9910\u9ede\u53ef\u4ee5\u5e36\u4f86\u4e0d\u540c\u7a0b\u5ea6\u7684\u98fd\u8db3\u611f\uff0c
\u5047\u8a2d\u4f60\u5403\u6bcf\u4efd\u9910\u9ede\u7684\u90fd\u53ea\u6703\u82b1\u4e00\u55ae\u4f4d\u6642\u9593<\/strong>\uff0c
\u4e14\u540c\u6a23\u7684\u9910\u9ede\u4f60\u4e0d\u9858\u610f\u5348\u9910\u6642\u9593\u5167\u5403\u5169\u6b21<\/strong>\uff0c
\u8acb\u554f\u4f60\u81f3\u5c11\u8981\u82b1\u591a\u4e45\u7684\u6642\u9593\u624d\u80fd\u5403\u5230\u98fd\u5462\uff1f<\/p>\n\n\n\n

\u7bc4\u4f8b\u6e2c\u8cc7<\/h2>\n\n\n\n
\u7bc4\u4f8b\u8f38\u5165<\/th>\u7bc4\u4f8b\u8f38\u51fa<\/th><\/tr><\/thead>
\u7b2c\u4e00\u884c\u6709\u5169\u500b\u6b63\u6574\u6578 N \u548c M (N <= 100000)
\u4ee3\u8868\u6709 N \u7a2e\u4e0d\u540c\u7684\u9910\u9ede\u548c\u9700\u8981 M \u55ae\u4f4d\u7684\u98fd\u8db3\u611f\u624d\u6703\u5403\u98fd\u3002
\u7b2c\u4e8c\u884c\u6709 N \u500b\u4e0d\u8d85\u904e1000\u7684\u6b63\u6574\u6578\uff0c\u5206\u5225\u4ee3\u8868\u7b2c 1 \u7a2e\u5230\u7b2c N \u7a2e\u9910\u9ede\u7684\u98fd\u8db3\u611f\u3002<\/td>		\u4e00\u500b\u6578\u5b57\uff0c\u4ee3\u8868\u81f3\u5c11\u5403\u5e7e\u4efd\u624d\u6703\u98fd
\u5982\u679c\u4e0d\u7ba1\u600e\u6a23\u90fd\u5403\u4e0d\u98fd\u8acb\u8f38\u51fa\u300cOAQ”\u300d(\u4e0d\u542b\u96d9\u5f15\u865f)<\/td><\/tr>
5 10
8 5 3 2 1<\/td>		2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u89e3\u984c\u601d\u8def<\/h2>\n\n\n\n

\u5c07\u98df\u7269\u6536\u5230\u4e00\u500b\u4e00\u7dad\u9663\u5217\u4e2d\uff0c\u4e26\u4e14\u5c07\u5176\u6392\u5e8f\u3002\u5f9e\u6700\u53f3\u908a\u5403\u5230\u6700\u5de6\u908a\u4e26\u8f38\u51fa\u5403\u7684\u6b21\u6578\u3002<\/p>\n\n\n\n

\u7bc4\u4f8b\u7a0b\u5f0f\u78bc\uff0dZeroJudge D804: \u597d\u9913<\/a><\/h3>\n\n\n\n
#include <iostream>\n#include <vector>\n#include <algorithm>\nusing namespace std;\n\nint main() {\n    cin.sync_with_stdio(0);\n    cin.tie(0);\n    int N, M;\n    cin >> N >> M;\n    vector<int>num;\n    for (int i = 0; i<N; i++) {\n        int tmp;\n        cin >> tmp;\n        num.push_back(tmp);\n    }\n    sort(num.begin(), num.end());\n    int sum = 0, count = 0;\n    bool ok = false;\n    for (int i = N-1; i>=0; i--) {\n        sum += num[i];\n        count++;\n        if (sum >= M) {\n            cout << count << "\\n";\n            ok = true;\n            break;\n        }\n    }\n    if (!ok) cout << "OAQ\\n";\n}\n\n\/\/ZeroJudge D804\n\/\/Dr. SeanXD<\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"
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