问题标题: 小李工作室：计时器1.0

#include<iostream>
#include<windows.h>
using namespace std;
int main(){
    system("color f0");
    int h,m,s;
    cin>>h>>m>>s;
    while(1){
        system("cls");
        if(h<0){
            break;
        }
        cout<<h<<":"<<m<<":"<<s;
        s--;
        if(s<=0){
            if(m<=0){
                m+=60;
                h--;
            }
            s+=60;
            m--;
        }

        Sleep(1000);
    }
    cout<<"\n时间到";
    while(1){
        system("color 12");
        system("color 23");
        system("color 34");
        system("color 45");
        system("color 56");
        system("color 67");
        system("color 78");
        system("color 81");
        system("color 12");
        system("color 23");
        system("color 34");
        system("color 45");
        system("color 56");
        system("color 67");
        system("color 78");
        system("color 81");
        system("color 12");
        system("color 23");
        system("color 34");
        system("color 45");
        system("color 56");
        system("color 67");
        system("color 78");
        system("color 81");
        system("color 12");
        system("color 23");
        system("color 34");
        system("color 45");
        system("color 56");
        system("color 67");
        system("color 78");
        system("color 81");
        const int _oC = 277, _oD = 311, _oF = 370, _oG = 415, _oA = 466;
        const int _C = 262, _D = 294, _E = 330, _F = 349, _G = 392, _A = 440, _B = 494;
        const int oC = 554, oD = 622, oF = 740, oG = 831, oA = 932;
        const int C = 523, D = 578, E = 659, F = 698, G = 784, A = 880, B = 988;
        const int C_ = 1047, D_ = 1175, E_ = 1319, F_ = 1397, G_ = 1568, A_ = 1760, B_ = 1976;
        const int oC_ = 1109, oD_ = 1245, oF_ = 1480, oG_ = 1661, oA_ = 1865;
        const int T = 200; //一拍的长度
        const int Stop = 0; //一拍休止符的长度
        int i;
         while(i!=10){
         Beep(D,T*2);
         Beep(D,T);
         Beep(A,T);
         Beep(G,T*2);
         Beep(F,T*2);
         Beep(E,T*2);
         Beep(E,T);
         Beep(E,T);
         Beep(G,T*2);
         Beep(F,T);
         Beep(E,T);
         Beep(D,T*2);
         Beep(D,T);
         Beep(F,T);
         Beep(E,T);
         Beep(F,T);
         Beep(E,T);
         Beep(F,T);
         Beep(D,T*2);
         Beep(D,T);
         Beep(F,T);
         Beep(E,T);
         Beep(F,T);
         Beep(E,T);
         Beep(F,T);
         Beep(D,T*2);
         Beep(D,T);
         Beep( F, T );
         Beep( E, T );
         Beep( F, T );
         Beep( E, T );
         Beep(F,T);
         Beep( D, T );
         Beep( D, T );
         Beep( F, T );
         Beep( F, T );
         Beep( E, T );
         Beep( E, T );
         Beep( G, T );
         Beep( G, T );
         Beep( G, T );
         Beep( G, T );
         Beep( A, T );
         Beep( A, T );
         Beep( A, T );
         Beep( A, T);
         Beep( A, T );
         Beep( A, T );
         Beep( A, T );
         Beep( A, T );
         Beep( A, T );
         Beep( A, T );
         Beep( A, T);
         Beep( A, T);
         Beep( F, T );
         Beep( E, T );
         Beep( D, T);
         Beep( C, T);
         i++;
         }
            }
    return 0;
}

应该加入黑人抬棺

望采纳