全国青少年软件编程等级考试C语言（一级）真题 2020年第三季度参考代码

迷南。 2022-12-06 12:52 132阅读 0赞

#include <iostream>
    using namespace std;
    
    int main()
    { 
        int a, b, c, d;
        cin >> a >> b >> c >> d;
        cout << c << ' ' << d;
    
        return 0;
    }

#include <iostream>
    using namespace std;
    
    int main()
    { 
        double a, b;
        scanf("%lf%lf", &a, &b);
        printf("%.3f%%", b / a * 100);
        return 0;
    }

#include<bits/stdc++.h>
    using namespace std;
    
    int main()
    { 
        int a, b, sum = 0;
        cin >> a >> b;
        if(a < 60)
        { 
            sum++;
        }
        if(b < 60)
        { 
            sum++;
        }
        cout << (sum == 1 ? 1 : 0) << endl;
        return 0;
    }

#include<bits/stdc++.h>
    using namespace std;
    
    int main()
    { 
        int k, cnt1 = 0, cnt5 = 0, cnt10 = 0;
        cin >> k;
        for(int i = 0; i < k; i++)
        { 
            int x;
            cin >> x;
            switch(x)
            { 
                case 1:
                { 
                    cnt1++;
                    break;
                }
                case 5:
                { 
                    cnt5++;
                    break;
                }
                case 10:
                { 
                    cnt10++;
                    break;
                }
                default:
                    break;
            }
        }
        cout << cnt1 << endl << cnt5 << endl << cnt10 << endl;
        return 0;
    }

#include<bits/stdc++.h>
    using namespace std;
    
    int main()
    { 
        int k, day = 1, cnt = 0, coincnt = 0;
        cin >> k;
        while(cnt < k)
        { 
             cnt += day;
             day++;
        }
        for(int i = 1; i < day; i++)
        { 
            coincnt += i * i;
        } 
        cout << coincnt - ((cnt - k) * (day - 1)) << endl;
        return 0;
    }

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