제출 #1080547

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1080547		alexander707070	육각형 영역 (APIO21_hexagon)	C++14	9 / 100	1 ms	600 KiB

hexagon

#include<bits/stdc++.h>
#define MAXN 100007
#include "hexagon.h"

using namespace std;

const long long mod=1e9+7;

int n;

long long ff(long long x){
    long long a=x-1,b=x,c=x+1;

    if(a%3==0)a/=3;
    if(b%3==0)b/=3;
    if(c%3==0)c/=3;

    return (((a*b)%mod)*c)%mod;
}

long long ak,bk,d[MAXN],len[MAXN];

int draw_territory(int N,int A,int B,vector<int> D,vector<int> L){
    n=N; ak=A; bk=B;

    for(int i=1;i<=n;i++){
        d[i]=D[i-1]; len[i]=L[i-1];
    }

    if(n==3){
        return ((ak*(((len[1]+1)*(len[1]+2)/2)%mod) )%mod + (bk*ff(len[1]+1))%mod)%mod ;
    }
}

/*int main(){
    cout<<draw_territory(3,2,4,{0,0,0},{3,3,3})<<"\n";
}*/

컴파일 시 표준 에러 (stderr) 메시지

hexagon.cpp: In function 'int draw_territory(int, int, int, std::vector<int>, std::vector<int>)':
hexagon.cpp:33:1: warning: control reaches end of non-void function [-Wreturn-type]
   33 | }
      | ^

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