1191: 化学品问题
```cpp#include#includeusingnamespacestd;intt,n,m;longlongdp[35][35][35];longlongDFS(inti,intcnt,intlx){if(i==n+1)return1;if(dp[i][cnt][lx]==-1){dp[i][c
题解列表
1192: 十->二进制转换
```cpp#include#includeusingnamespacestd;intn,flag=0;vectorarr;voidBinaryChange(intn){for(inti=31;i>=0;i--)arr.push_back((n>>i)&1);return;}intmain(){whi
1193: 半数集问题
```cpp#include#includeusingnamespacestd;inta[1005];intf(intn){if(a[n])returna[n];a[n]=1;for(inti=1;i>n){memset(a,0,sizeof(a));a[1]=1;cout
1195: 去掉双斜杠注释
摘要：```cpp
#include
using namespace std;
int main()
{
string str1="//",str;
int k;
wh……
1196: 去掉空格
```cpp#include#includeusingnamespacestd;intmain(){stringstr,temp;while(getline(cin,str)){stringstreamss;sstemp)cout
1197: 发工资咯
```cpp#includeusingnamespacestd;intDno[6]={100,50,10,5,2,1};intsum(intx){inty=0,res=0;while(x>0){res+=x/Dno[y];x%=Dno[y++];}returnres;}intmain(){intn;w
2544: N以内累加求和（高斯）
##N以内累加求和（高斯）####还记得那个口号吗？######首项加末项乘以项数除以二，我记得我上小学奥数第一节课教的就是这个，好怀念:tw-1f31f:```c#includeintmain(){intn;scanf("%d",&n);printf("%d",
1198: 取石子游戏
```cpp#include#includeusingnamespacestd;intmain(){intx,y;doublealpha=(1.0+sqrt(5.0))/2.0,beta=(3.0+sqrt(5.0))/2.0;while(cin>>x>>y){if(x>y){x+=y;y=x-y;x
1199: 哥德巴赫曾猜测
摘要：```cpp
#include
using namespace std;
bool prime(int n)
{
for(int i=2;i>n;
for(int i=2;……