【十月】第二次课上练习

转载

mb5ff40afd04638 2021-10-24 12:07:00

#include<stdio.h>
using namespace std;
int main()
{
int a,b;
scanf("%d%d",&a,&b);
printf("%d",a*b);
return 0;
}

View Code

p1980

#include<stdio.h>
using namespace std; 
int main()
{
    long long n,i,x,b,c,t=0;
    scanf("%lld%lld",&n,&x);
    for(i=1;i<=n;i++)
    {
        b=i;
        while(b!=0)
        {
            c=b%10;
            b=b/10;
            if(c==x) t++;
        }
    }
    printf("%lld",t);
    return 0;
}

View Code

p5710

#include<stdio.h>
using namespace std;
int f1,f2;
int x;
int main(){
    scanf("%d",&x);
    if(x%2 == 0) f1 = 1;
    else f1 = 0;
    if(x>4 && x<=12) f2 = 1;
    else f2 = 0;
    if(f1&&f2) printf("%d ",1);
    else printf("%d ",0);
    if(f1||f2) printf("%d ",1);
    else printf("%d ",0);
    if((f1&&!f2)||(f2&&!f1)) printf("%d ",1);
    else printf("%d ",0);
    if(!f1&&!f2) printf("%d ",1);
    else printf("%d ",0);
    return 0;
}

View Code

p1085

#include<stdio.h>
using namespace std; 
int main ()
{
    int a,b,sum,max_unhappy=0,day_unhappy=0; 
    for (int i=1;i<8;i++)  
      {
        scanf("%d%d",&a,&b);    
        sum=a+b;   
        if (sum>8) {
            if(sum>max_unhappy) max_unhappy=sum,day_unhappy=i; 
        }
      }
    printf("%d",day_unhappy);
    return 0;             
}

View Code

p5720

#include<stdio.h>
using namespace std;
int a, ans = 1;

int main () {
    scanf ("%d", &a);
    while (a > 1) {
        ans++; 
        a /= 2;
    }
    printf("%d",ans);
    return 0;
}

View Code

p5718

#include<stdio.h>
using namespace std; 
int n,a;
int min_num;
int main()
{
    scanf("%d",&n);
    scanf("%d",&min_num);
    for(int i=2;i<=n;i++){
        scanf("%d",&a);
        if(a<min_num) min_num=a; 
    }
    printf("%d",min_num);
    return 0;
}

View Code

p2669

#include<stdio.h>
using namespace std; 
int main()
{
    int k,i;
    int coin=0;
    scanf("%d",&k);               
    for(i=1;k-i>=0;k-=i++)   coin+=i*i;              
    printf("%d\n",coin+k*i);   
    return 0;
}