E1007 AI生成-CIE-202603-C++二级-真题-202605250912-练习

#include <iostream>
int main() {
    char ch = 'B';
    int num = ch + 1;
    std::cout << num;
}

#include <iostream>
int main() {
    int x = 2;
    int res = 0;
    switch(x) {
        case 1: res = 10; break;
        case 2: res = 20;
        case 3: res = 30; break;
        default: res = 40;
    }
    std::cout << res;
}

#include <iostream>
int main() {
    for(int i=1; i<=3; i++) {
        for(int j=1; j<=i; j++)
            std::cout << "*";
        std::cout << std::endl;
    }
}

#include <iostream>
int main() {
    int sum = 0;
    for(int i=1; i<=5; i++) {
        if(i % 2 == 0)
            continue;
        sum += i;
    }
    std::cout << sum;
}

#include <iostream>
int main() {
    int arr[] = {1,2,3,4,5,6};
    int cnt = 0;
    for(int i=0; i<6; i++) {
        if(________)
            cnt++;
    }
    std::cout << cnt;
}

#include <iostream>
int main() {
    int a[5] = {5,3,4,1,2};
    for(int i=0; i<4; i++) {
        for(int j=0; j<4-i; j++) {
            if(________) {
                int t = a[j];
                a[j] = a[j+1];
                a[j+1] = t;
            }
        }
    }
    for(int i=0; i<5; i++)
        std::cout << a[i] << " ";
}