Florr_m27 @ 2023-11-19 10:08:45
#include<bits/stdc++.h>
using namespace std;
int a[114514];
long long w(long long a,long long b,long long c){
if(a<=0||b<=0||c<=0){
return 1;
}
else if(a>20||b>20||c>20){
return w(20,20,20);
}
else if(a<b&&b<c){
return w(a,b,c-1)+w(a,b-1,c-1)-w(a,b-1,c);
}
else{
return w(a-1,b,c)+w(a-1,b-1,c)+w(a-1,b,c-1)-w(a-1,b-1,c-1);
}
}
int main(){
int c;
for(int i=1;;i++){
cin>>a[i];
if(a[i-2]==(0-1)&&a[i-1]==(0-1)&&a[i]==(0-1)){
break;
}
}
for(int i=1;;i++){
if(a[i-2]==(0-1)&&a[i-1]==(0-1)&&a[i]==(0-1)){
break;
}
if(i%3==0){
c=w(a[i-2],a[i-1],a[i]);
cout<<"w("<<a[i-2]<<","<<a[i-1]<<","<<a[i]<<")="<<c<<endl;
}
}
return 0;
}
测试