C+++++++++++++++++++++++++++++++++++++++题

垃圾分类

#include<bits/stdc++.h>
#include<algorithm>
using namespace std;
int n,m;
struct node{
	char name[30];
	int ID;
	char fln[30];
};
node a[100010];
int getn();
int main(){
	n=getn();
	for(int i=0;i<n;i++){
		char tmp[50];
		getline(tmp,50);
		a[i].ID=tmp[strlen(tmp)-1]-48;
		tmp[strlen(tmp)-2]='\0';
		strcpy(a[i].name,tmp);
		if(a[i].ID==1) strcpy(a[i].fln,"Gan laji");
		if(a[i].ID==1) strcpy(a[i].fln,"Shi laji");
		if(a[i].ID==1) strcpy(a[i].fln,"Kehuishou");
		if(a[i].ID==1) strcpy(a[i].fln,"Yohai laji");
	}
	bool ff=true;
	while(true){
		char tmp[50];
		cin.getline(tmp,50);
		if(strcmp(tmp,"#")==0) break;
		for(int i=0;i<n;i++){
			if(strcmp(a[i].name,tmp)==0){
				cout<<a[i].fln<<endl;
				ff=false;
				break;
			}
		}
		if(ff==true) cout<<"?"<<endl;
	}
	
	return 0;
}
void f(int k){
	
}
int getn(){
	char tmp[100];
	int num=0;
	cin.getline(tmp,100);
	int lt=strlen(tmp);
	for(int i=0;i<lt;i++){
		num=num*10+tmp[i]-48;
	}
	return num;
}

火中取栗

#include<bits/stdc++.h>
#include<algorithm>
using namespace std;
int n,m;
struct node{
	
};
node a[100010];
int getn();
int main(){
	int k,sum=0;
	cin>>n>>k;
	int lizi;
	for(int i=0;i<n;i++){
		cin>>lizi;
		if(lizi%k==0){
			sum=sum+lizi/k;
		}
		else{
			cnt=cnt+lizi/k+1;
		}
	}
	
	return 0;
}
void f(int k){
	
}
int getn(){
	char tmp[100];
	int num=0;
	cin.getline(tmp,100);
	int lt=strlen(tmp);
	for(int i=0;i<lt;i++){
		num=num*10+tmp[i]-48;
	}
	return num;
}

生成字符串

#include<bits/stdc++.h>
#include<algorithm>
using namespace std;
int n,m;
struct node{
	
};
node a[100010];
int getn();
char ch[100000];
int main(){
	cin>>n;
	char s;
	cin>>s;
	cin>>ch;
	
	for(int i=0;i<n;i++){
		if(i==0){
			cout<<s;
		}
		else{
			if(ch[i]!='a'&&ch[i]!='A'&&ch[i]!='z'&&ch[i]!='Z'){
				if(ch[i]==0&&(int)ch[i]>=97&&(int)ch[i]<=122){
					int x=(int)ch[i]-32;
					cout<<(char)x;
				}
				if(ch[i]==0&&(int)ch[i]>=90&&(int)ch[i]<=65){
					int x=(int)ch[i]+32;
					cout<<(char)x;
				}
				if(ch[i]==1&&(int)ch[i]>=97&&(int)ch[i]<=122){
					int x=(int)ch[i]-1;
					cout<<(char)x;
				}
				if(ch[i]==1&&(int)ch[i]>=90&&(int)ch[i]<=65){
					int x=(int)ch[i]+1-32;
					cout<<(char)x;
				}
			}
		}
	}
	return 0;
}
void f(int k){
	
}
int getn(){
	char tmp[100];
	int num=0;
	cin.getline(tmp,100);
	int lt=strlen(tmp);
	for(int i=0;i<lt;i++){
		num=num*10+tmp[i]-48;
	}
	return num;
}