제출 #974165

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
974165		vjudge1	육각형 영역 (APIO21_hexagon)	C++17	0 / 100	1 ms	600 KiB

hexagon

#include <bits/stdc++.h>
using namespace std;
#define fastio ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define nl "\n"

const int maxn = 2e5+5;

int draw_territory(int N, int A, int B, vector<int> D, vector<int> L){
    int mod = 1e9+7;
    int ans;
    if(N==3){
        int length = L[0];
        ans = ((((length*(length-1)*(length+1)/3)*B)%mod) + (length*A)%mod) % mod;
    }
    else{
        int totalsq = 4000*4000;
        int dx[6] = {0, 1, 1, 0, -1, -1};
        int dy[6] = {2, 1 ,-1, -2, -1, 1};
    }
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

hexagon.cpp: In function 'int draw_territory(int, int, int, std::vector<int>, std::vector<int>)':
hexagon.cpp:17:13: warning: unused variable 'totalsq' [-Wunused-variable]
   17 |         int totalsq = 4000*4000;
      |             ^~~~~~~
hexagon.cpp:18:13: warning: unused variable 'dx' [-Wunused-variable]
   18 |         int dx[6] = {0, 1, 1, 0, -1, -1};
      |             ^~
hexagon.cpp:19:13: warning: unused variable 'dy' [-Wunused-variable]
   19 |         int dy[6] = {2, 1 ,-1, -2, -1, 1};
      |             ^~
hexagon.cpp:21:12: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   21 |     return ans;
      |            ^~~

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