xqch12345-优快云博客

原创安装centos7时遇到dracut问题

1. 进入dracut:后 ls -l /dev/disk/by-id/usb*查询USB对应的设备名2.重启回到如下界面vmlinuz initrd=initrd.imginst.stage2=hd:LABEL=CentOS\x207\x20x86_64 rd.live.check quiet改为：vmlinuz initrd=initrd.img inst.stage2=hd...

2019-03-31 19:40:22 3529

原创杭电OJ 1021 Fibonacci Again

#include <iostream>using namespace std;int main(){ int a[8] = { 1, 2, 0, 2, 2, 1, 0, 1 }; int n; while (cin >> n) { if (a[n % 8]) cout << "no" << endl; else co...

2018-06-18 18:27:28 198

原创杭电OJ 1019 Least Common Multiple

求最小公倍数#include <iostream>#include <vector>using namespace std;int minMul(int a, int b){ if (b < a) swap(a, b); for (int i = a; i >= 1;i--) if (b%i == 0&&a%i==0) {...

2018-06-18 18:25:43 238

原创杭电OJ 1018 Big Number

斯特林公式

2018-06-18 18:24:38 231

原创杭电OJ 1017

#include <iostream>using namespace std;int main(){ int T; cin >> T; for (int i = 0; i < T; i++) { int m, n, num1 = 0; while (cin >> n >> m && (m != 0 || n...

2018-06-18 18:21:32 450

原创杭电OJ 1013 Digital Roots

#include <iostream>#include <string>using namespace std;int main(){ string s; while (cin >> s&&s != "0") { int n=0; for (auto a : s) n += a - '0'; int sum = 0...

2018-06-18 18:20:17 247

原创杭电OJ 1012 u Calculate e

#include <iostream>using namespace std;int main(){ cout << "n e" << endl; cout << "- -----------" << endl; double sum = 1.0; cout << 0 <&a

2018-06-18 18:19:10 239

原创杭电 OJ 1009 FatMouse' Trade

#include <iostream>#include <vector>using namespace std;typedef struct { int J; int F; double pro;}MES;int main(){ int M, N; while (cin >> M >> N) { if (M == -1)...

2018-06-16 21:25:37 284

原创杭电 OJ 1008 Elevator

#include <iostream>#include <vector>using namespace std;int main(){ int N; while (cin >> N&&N != 0) { int sum = N * 5; vector<int> vec(N); for (int i = 0;...

2018-06-16 21:23:58 160

原创杭电 OJ 1006 Tick and Tick

开始直接通过概率论计算，精度不够一直WA#include <iostream>using namespace std;int main(){ int D; while (cin >> D&&D != -1) { double result = (360 - D * 3)* (360 - D * 3) / 360.0 / 360.0*100.0...

2018-06-16 21:21:42 1605

原创杭电 OJ 1005

#include <iostream>#include <vector>using namespace std;int main(){ int A, B, n; while (cin >> A >> B >> n) { if (A == 0 && B == 0 && n == 0)

2018-06-16 21:18:19 173

原创杭电OJ 1004 求出现次数最多的字符串

#include <string>#include <iostream>#include <vector>#include <map>using namespace std;int main(){ int T; while (cin >> T&&T!=0) { map<string,int&gt

2018-06-16 21:15:28 198

原创杭电OJ 1003 求和最大连续子序列

#include <iostream>#include <vector>#include <algorithm>using namespace std;int main(){ int T; cin >> T; for (int i = 0; i < T; i++) { int n; cin >> n; ...

2018-06-16 21:13:17 288

原创杭电OJ 1002 大数相加

#include <iostream>#include <string>using namespace std;int main(){ int n; cin >> n; for (int i = 0; i < n; i++) { string a, b; cin >> a >> b; cout <&...

2018-06-16 21:11:18 550

原创杭电OJ 2031 进制转换

#include <iostream>#include <string>using namespace std;int main(){ int N, R; while (cin>>N>>R) { if (N < 0) cout << "-"; string s; N = abs(N); while..

2018-05-30 16:18:06 611

原创杭电OJ 2030汉字统计

#include <iostream>#include <string>using namespace std;char s[10000];int main(){ int T; cin >> T; getchar(); for (int i = 0; i < T; i++) { gets_s(s); int num = 0; ...

2018-05-30 16:02:53 284

原创 3-12 浮点数 UVa11809

#include <vector>#include <iostream>#include <string>#include <sstream>using namespace std;int main(){ double m, x; int ee; int E[10][30]; double M[10][30]; for (in...

2018-05-22 20:36:55 205

原创 3-11 换抵挡装置 UVa1588

#include <vector>#include <iostream>#include <string>using namespace std;int main(){ vector<int>A = { 2, 1, 1, 1, 1, 1, 1 }; vector<int>B = { 2, 2, 2, 1, 2, 2, 1,...

2018-05-20 14:33:07 336

原创 3-10 盒子 UVa1587

#include <vector>#include <iostream>#include <string>using namespace std;struct box{ int x, y; bool operator==(const box& rhs) // 操作运算符重载 { return(x == rhs.x) &&amp...

2018-05-20 14:30:43 241

原创 3-9 子序列 UVa 10340

#include <vector>#include <iostream>#include <string>using namespace std;int main(){ string s, t; cin >> s >> t; int j = 0; int k = 0; for (int i = 0; i < (...

2018-05-20 14:28:30 155

原创 3-8 循环小数 UVa202

#include <vector>#include <iostream>#include <string>using namespace std;int main(){ int a, b; cin >> a >> b; vector<int> res(30001); vector<int> re

2018-05-20 14:27:06 156

原创 3-7 DNA序列 UVa1368

#include <vector>#include <iostream>#include <string>using namespace std;int GetMin(vector<int> vec){ int minSer = 0; for (int i = 0; i < 4; i++) { if (vec[i] &lt...

2018-05-20 14:24:48 173

原创 3-5 谜题 UVa227

#include <vector>#include <iostream>#include <string>using namespace std;int main(){ vector<vector<char>> map = { { 'T', 'R', 'G', 'S', 'J' }, { 'X', 'D', 'O', 'K'...

2018-05-20 14:21:00 183

原创 3-4 周期串 UVa455

#include <vector>#include <iostream>#include <string>using namespace std;bool is_circle_string(string word, int num){ int n = word.size(); for (int i = 0; i < num; i++) f...

2018-05-20 14:19:22 135

原创 3-3 数数字 UVa1225

#include <vector>#include <iostream>#include <string>using namespace std;int main(){ string word; cin >> word; vector<int> num(10); for (auto a : word) num[a - ...

2018-05-20 14:17:26 154

原创 3-2 分子量 UVa1586

#include <vector>#include <iostream>#include <string>using namespace std;int main(){ string mol="CHON"; string word; cin >> word; int num = 0; vector<int> vec(...

2018-05-20 14:15:33 229

原创 3-1 得分 UVa1585

#include <vector>#include <iostream>#include <string>using namespace std;int main(){ string word; cin >> word; int num = 0,t=0; for (int i = 0; i < (int)word.size()...

2018-05-20 14:12:17 160

原创第二章习题

习题2-5 分数化小数（decimal）输入正整数a,b,c,输出a/b的小数形式，精确到小数点后c位。a,b≤10^6，c≤100。输入包括多组数据，结束标记为a=b=c=0。源码：//2.5分数化小数#include <stdio.h>#include <time.h> #include <vector> int a, b,c;...

2018-05-08 15:48:11 189

原创 QT数据库操作（SQLITE）

项目文件为QDbTest，主要完成数据库中学生信息的增删改查，并显示到表格中。主要界面：添加和编辑信息界面主要操作步骤为：1.先创建界面，2.数据库操作主要使用QSqlDatabase,QSqlQuery两个库 QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE"); db.setHostName("HostName"); ...

2018-03-05 19:35:18 475

原创 QT5打包

1.选择release 然后构建2.使用QT自带的命令行终端，输入release目录下的对应exe文件目录，然后输入exe文件名例如 a.exe windeployqt

2018-03-03 16:30:56 266

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