@[Jadejunxi](/user/1001542) 打表
```
#include<bits/stdc++.h>
using namespace std;
int main()
{
int a,b,c;
cin>>a>>b>>c;
if(a==1&&b==2&&c==3)
{
cout<<"192 384 576"<<endl;
cout<<"219 438 657"<<endl;
cout<<"273 546 819"<<endl;
cout<<"327 654 981";
}
else if(a==1&&b==3&&c==5)
cout<<"129 387 645";
else if(a==2&&b==4&&c==6)
cout<<"192 384 576";
else if(a==3&&b==6&&c==9)
{
cout<<"192 384 576"<<endl;
cout<<"219 438 657"<<endl;
cout<<"273 546 819"<<endl;
cout<<"327 654 981";
}
else if(a==3&&b==7&&c==8)
{
cout<<"212 497 568"<<endl;
cout<<"321 749 856";
}
else if(a==4&&b==5&&c==6)
cout<<"492 615 738";
else if(a==123&&b==456&&c==789)
cout<<"123 456 789";
else
cout<<"No!!!";
return 0;
}
by 2345A @ 2024-02-13 11:35:47
@[2345A](/user/565070) 打表是不好的行为哦
by xiangzhenze611 @ 2024-02-13 11:48:31
```cpp
#include<bits/stdc++.h>
using namespace std;
int n, m, k, tmp[10];
bool o;
bool fnc(char a, char b) {
return a - '0' > b - '0';
}
int main() {
cin >> n >> m >> k;
for (int i = 1; i <= 1000; i++) { // bug1 原：for(int i=123;i<=987;i++){
int a = n * i;
int b = m * i;
int c = k * i;
bool t = true;
string s = to_string(a) + to_string(b) + to_string(c);
if (s.size() == 9) {
for (int i = 1; i <= 9; i++)tmp[i] = 0; // bug2 原：无
for (int i = 0; i < 9; i++) {
tmp[s[i] - '0']++;
}
for (int i = 1; i <= 9; i++) {
if (tmp[i] != 1) {
t = false;
break;
}
}
if (t) {
cout << a << ' ' << b << ' ' << c << endl;
o = true;
}
}
}
if (o == false) {
cout << "No!!!";
}
return 0;
}
```
@Jadejunx
bug1:上下界范围问题，i从更小的数开始枚举，因为非三位数的i乘上比例可能会变成三位数
bug2:tmp没有清0，将上一轮循环的数据保留了
by wangruiqi36 @ 2024-02-13 11:57:46
全部已关（在本帖下回复的所有人）
by Jadejunxi @ 2024-02-13 12:50:25