제출 #287459

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
287459	2020-08-31 17:10:04	TadijaSebez	Cultivation (JOI17_cultivation)	C++11	100 / 100	136 ms	2680 KiB

cultivation

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#include <bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
#define ll long long
void ckmn(ll&a,ll b){a=min(a,b);}
void ckmx(int&a,int b){a=max(a,b);}
const int N=305;
const int inf=1e9+7;
int sz[N],SWX[N][N],SWU[N][N],SWD[N][N],SWR[N][N],x[N],y[N],n,H,W;
int L[N],lsz,T[N],tsz,SM[N*N],U[N*N],D[N*N],R[N*N],ssz,esz;
pii evs[N];
void unq(int*a,int&n){sort(a+1,a+1+n);n=unique(a+1,a+1+n)-a-1;}
int main(){
  scanf("%i %i %i",&H,&W,&n);
  for(int i=1;i<=n;i++){
    scanf("%i %i",&x[i],&y[i]);
    L[++lsz]=y[i]-1;
    if(y[i]>1)T[++tsz]=y[i]-1;
  }
  T[++tsz]=W;unq(T,tsz);
  for(int i=1;i<=tsz;i++){
    esz=0;
    for(int j=1;j<=n;j++){
      if(y[j]<=T[i]){
        SM[++ssz]=T[i]-y[j];
        evs[++esz]={T[i]-y[j],x[j]};
      }
    }
    multiset<int> dif,pts;
    pts.insert(0);pts.insert(H+1);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

cultivation.cpp: In function 'int main()':
cultivation.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   14 |  scanf("%i %i %i",&H,&W,&n);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~
cultivation.cpp:16:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |   scanf("%i %i",&x[i],&y[i]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 30 / 30
• Subtask 5: 20 / 20
• Subtask 6: 20 / 20