被打臉的瀟灑哥
阿新 • • 發佈:2018-12-24
https://ac.nowcoder.com/acm/contest/318/M
題解:思維+結論
/* *@Author: STZG *@Language: C++ */ #include <bits/stdc++.h> #include<iostream> #include<algorithm> #include<cstdlib> #include<cstring> #include<cstdio> #include<string> #include<vector> #include<bitset> #include<queue> #include<deque> #include<stack> #include<cmath> #include<list> #include<map> #include<set> //#define DEBUG #define RI register int using namespace std; typedef long long ll; //typedef __int128 lll; const int N=1000+10; const int MOD=1e9+7; const double PI = acos(-1.0); const double EXP = 1E-8; const int INF = 0x3f3f3f3f; int t,n,m,k,q; int main() { #ifdef DEBUG freopen("input.in", "r", stdin); //freopen("output.out", "w", stdout); #endif while(~scanf("%d",&t)){ while(t--){ scanf("%d",&n); if(n==0){ printf("%d\n",1); continue; } printf("%d\n",n*n-n+2); } } //cout << "Hello world!" << endl; return 0; }