单选题
兔⼦五元⼀只，鸡三元⼀只，⼩鸭⼦⼀元三只，现在你有⼀百元要买⼀百只，兔⼦、鸡、鸭⼦，问兔⼦、 鸡、鸭⼦各买多少只，每种必须⾄少⼀只，下列哪个程序能实现。（ ）
for(int i = 0; i <= 100; i++){
for(int j = 0; j <= 100; j++){
for(int k = 0; k <= 100; k++){
if(i + j + k == 100 && 25 * i + 10 * j + k == 300)
cout << i << " " << j << " " << k << endl;
}
}
}
for(int i = 0; i <= 100; i++){
for(int j = 0; j <= 100; j++){
for(int k = 0; k <= 100; k++){
if(i + j + k == 100 && 20 * i + 10 * j + k == 300)
cout << i << " " << j << " " << k << endl;
}
}
}
for(int i = 0; i <= 20; i++){
for(int j = 0; j <= 34; j++){
for(int k = 0; k <= 20; k++){
if(i + j + k == 100 && 15 * i + 9 * j + k == 300)
cout << i << " " << j << " " << k << endl;
}
}
}
for(int i = 0; i <= 100; i++){
for(int j = 0; j <= 100; j++){
for(int k = 0; k <= 100; k++){
if(i + j + k == 100 && 15 * i + 9 * j + k == 300)
cout << i << " " << j << " " << k << endl;
}
}
}
发表评论