A - Linearization of the kernel functions in SVM （模拟）

这是一道模拟的题目，不知道自己哪里写错了哎。

#include<iostream>
#define maxn 10010
using namespace std;
char a[]={'p','q','r','u','v','w','x','y','z','\0'};
int b[maxn];
int main(){int T,flag;cin>>T;while(T--){flag=0;for(int i=0;i<10;i++){cin>>b[i];}for(int i=0;i<10;i++){if(b[i]==0) continue;if(b[i]==1){if(flag) cout<<'+';else flag++;cout<<a[i];continue;}if(b[i]==-1){cout<<'-'<<a[i];flag++;continue;}if(b[i]>0){if(flag) cout<<'+';else flag++;cout<<b[i]<<a[i];}else{cout<<b[i]<<a[i];flag++;}}if(!flag) cout<<'0';cout<<endl;}return 0;
}

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A - Linearization of the kernel functions in SVM （模拟）

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