PAT-Basic刷题1041-1050

1041 考试座位号

#include
#include
using namespace std;
int main(){
    string stu[1005][2];
    string s1,s2;
    int m,n,t;
    cin>>n;
    for(int i=0;i<n;i++){
        cin>>s1>>t>>s2;
        stu[t][0]=s1;
        stu[t][1]=s2;
    }
    cin>>m;
    for(int i=0;i<m;i++){
        cin>>t;
        cout<<stu[t][0]<<" "<<stu[t][1]<<endl;
    }
    return 0;
}

1042 字符统计

#include
#include
#include
using namespace std;
int main(void){
    string s;
    getline(cin,s);
    int a[26]={0};
    for(int i=0;i<s.size();i++){
        s[i]=tolower(s[i]);
        if(islower(s[i])) 
            a[s[i]-'a']++;
    }
    int m=a[0],n=0;
    for(int i=0;i<26;i++){
        if(a[i]>m){
            m=a[i];
            n=i;
        }
    }
    printf("%c %d",'a'+n,m);  
    
    return 0;
}

1043 输出PATest

#include
using namespace std;
int main(void){
    int map[128]={0};
    int c;
    while((c=cin.get())!=EOF) map[c]++;
    while(map['P']>0||map['A']>0||map['T']>0||map['e']>0||map['s']>0||map['t']>0){
        if(map['P']-->0) cout<<"P";
        if(map['A']-->0) cout<<"A";
        if(map['T']-->0) cout<<"T";
        if(map['e']-->0) cout<<"e";
        if(map['s']-->0) cout<<"s";
        if(map['t']-->0) cout<<"t";
    }
    return 0;
}

1044 火星数字

#include
#include
using namespace std;
string a[13]={"tret","jan", "feb", "mar", "apr", "may", "jun", "jly", "aug", "sep", "oct", "nov", "dec"};
string b[13]={"####","tam", "hel", "maa", "huh", "tou", "kes", "hei", "elo", "syy", "lok", "mer", "jou"};
string s;
void fun1(int t){
    if(t/13) cout<<b[t/13];
    if((t/13)&&(t%13)) cout<<" ";
    if((t%13||t==0)) cout<<a[t%13];
}
void fun2(){
    int t1=0,t2=0;
    string s1=s.substr(0,3),s2;
    if(s.size()>4) s2=s.substr(4,3);
    for(int i=1;i<=12;i++){
        if(s1==a[i]||s2==a[i]) t2=i;
        if(s1==b[i]) t1=i;
    }
    cout<<t1*13+t2;
}
int main(){
    int n;cin>>n;
    getchar();
    for(int i=0;i<n;i++){
        getline(cin,s);
        if(s[0]>='0'&&s[0]<='9')
            fun1(stoi(s));
        else
            fun2();
        cout<<endl;
    }
    return 0;
}

1045 快速排序

#include
#include
#include
#include
using namespace std;
int main(void){
    int n,cnt=0;
    cin>>n;
    vector<int> a(n),b(n),v(n);
    for(int i=0;i<n;i++){
        cin>>a[i];
        b[i]=a[i];
    }
    int m=0;
    sort(a.begin(),a.end());
    for(int i=0;i<n;i++){
        if(a[i]==b[i]&&b[i]>m){
            v[cnt++]=b[i];
        }
        if(b[i]>m)
            m=b[i];
    }
    printf("%d\n",cnt);
    for(int i=0;i<cnt;i++){
        if(i!=0) printf(" ");
        cout<<v[i];
    }
    printf("\n");
    return 0;
}

1046 划拳

#include
using namespace std;
int main(void){
    int n;
    cin>>n;
    int a[4];
    int m1=0,m2=0;
    while(n--){
        cin>>a[0]>>a[1]>>a[2]>>a[3];
        int n=a[0]+a[2];
        if(n==a[1]&&n!=a[3]) m2++;
        if(n==a[3]&&n!=a[1]) m1++;
    }
    printf("%d %d",m1,m2);
    return 0;
}

1047 编程团体赛

#include
using namespace std;
int main(void){
    int n;
    cin>>n;
    int team[1001]={0},score,num,t,m;
    for(int i=0;i<n;i++){
        scanf("%d-%d %d",&t,&num,&score);
        team[t]+=score;
    }
    for(int i=0;i<1001;i++){
        if(team[i]>team[m]){
            m=i;
        }
    }
    printf("%d %d",m,team[m]);
    return 0;
}

1048 数字加密

#include
#include
#include
using namespace std;
int main(void){
    string a,b,c;
    cin>>a>>b;
    reverse(a.begin(),a.end());reverse(b.begin(),b.end());
    if(a.size()>b.size())
        b.append(a.size()-b.size(),'0');
    if(a.size()<b.size())
        a.append(b.size()-a.size(),'0');
    char str[14] = {"0123456789JQK"};
    for(int i=0;i<a.size();i++){
        if(i%2==0){
            c+=str[(a[i]-'0'+b[i]-'0')%13];
        }
        else{
            int m=b[i]-a[i];
            if(m<0) m+=10;
            c+=str[m];
        }
    }
    for(int i=c.size()-1;i>=0;i--)
        cout<<c[i];
    return 0;
}

1049 数列的片段和

#include
#include
using namespace std;
int main(void){
    int n;
    cin>>n;
    double sum=0.0,temp;
    for(int i=1;i<=n;i++){
        cin>>temp;
        sum+=temp*i*(n-i+1);
    }
    printf("%.2f",sum);
    return 0;
}

1050 螺旋矩阵

#include
#include
#include
#include
#include
using namespace std;
bool cmp(int a,int b){return a>b;}
int main(void){
    int N;
    cin>>N;
    int m,n,t=0; \
     for (n = sqrt((double)N); n >= 1; n--) {
        if (N % n == 0) {
            m = N / n;
            break;
        }
    }
    vector<int> a(N);
    for(int i=0;i<N;i++)
        scanf("%d",&a[i]);
    sort(a.begin(),a.end(),cmp);
    vector<vector<int> > b(m,vector<int>(n));
    for(int i=0;i<m/2+m%2;i++){
        for (int j = i; j <= n - 1 - i && t <= N - 1; j++)
                b[i][j] = a[t++];
        for (int j = i + 1; j <= m - 2 - i && t <= N - 1; j++)
                b[j][n - 1 - i] = a[t++];
        for (int j = n - i - 1; j >= i && t <= N - 1; j--)
                b[m - 1 - i][j] = a[t++];
        for (int j = m - 2 - i; j >= i + 1 && t <= N - 1; j--)
                b[j][i] = a[t++];
    }
    for (int i = 0; i < m; i++) {
        for (int j = 0 ; j < n; j++) {
            printf("%d", b[i][j]);
            if (j != n - 1) printf(" ");
        }
        printf("\n");
    }
    return 0;
}