제출 #301087

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
301087	2020-09-17 16:21:06	milisav	Furniture (JOI20_furniture)	C++14	100 / 100	560 ms	19192 KiB

furniture

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#include<bits/stdc++.h>
#pragma GCC optimize("O3")
#define maxn 1010
using namespace std;
bool p1[maxn][maxn];
bool p2[maxn][maxn];
bool tp[maxn][maxn];
int tc[2*maxn];
int n,m;
int c[maxn][maxn];
int q;
int x,y;
void rec1(int u,int v) {
    if(!p1[u][v]) return;
    if(c[u][v]==0) {
        if(u==1 && v==1) p1[u][v]=true;
        else {
            if(u==1) p1[u][v]=p1[u][v-1];
            else {
                if(v==1) p1[u][v]=p1[u-1][v];
                else p1[u][v]=p1[u-1][v]||p1[u][v-1];
            }
        }
    }
    else p1[u][v]=false;
    if(p1[u][v]) return;
    if(p2[u][v]) {
        tp[u][v]=false;
        tc[u+v]--;
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

furniture.cpp: In function 'int main()':
furniture.cpp:56:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   56 |  scanf("%d %d",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~~
furniture.cpp:59:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   59 |             scanf("%d",&c[i][j]);
      |             ~~~~~^~~~~~~~~~~~~~~
furniture.cpp:98:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   98 |     scanf("%d",&q);
      |     ~~~~~^~~~~~~~~
furniture.cpp:100:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  100 |         scanf("%d %d",&x,&y);
      |         ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 95 / 95