제출 #116118

#제출 시각아이디문제언어결과실행 시간메모리
116118faustaadpDango Maker (JOI18_dango_maker)C++17
13 / 100
3 ms384 KiB
#include<bits/stdc++.h> typedef long long ll; #define pb push_back #define mp make_pair #define fi first #define se second using namespace std; ll n,m,i,j,has,te; char a[3030][3030]; int x[9000010]; bool mat[3000010]; int main() { ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); cin>>n>>m; for(i=1;i<=n;i++) for(j=1;j<=m;j++) cin>>a[i][j]; for(i=1;i<=n;i++) for(j=1;j<=m;j++) { if(j+2<=m&&a[i][j]=='R'&&a[i][j+1]=='G'&&a[i][j+2]=='W') { te++; has++; x[(i-1)*m+j]=te; x[(i-1)*m+j+1]=te; x[(i-1)*m+j+2]=te; } } ll hai=te; for(i=1;i<=n;i++) for(j=1;j<=m;j++) { if(i+2<=n&&a[i][j]=='R'&&a[i+1][j]=='G'&&a[i+2][j]=='W') { te++; has++; ll udah=0; if(x[(i-1)*m+j]!=0) { if(mat[x[(i-1)*m+j]]==0) { mat[x[(i-1)*m+j]]=1; udah=1; } } if(x[(i)*m+j]!=0) { if(mat[x[(i)*m+j]]==0) { mat[x[(i)*m+j]]=1; udah=1; } } if(x[(i+1)*m+j]!=0) { if(mat[x[(i+1)*m+j]]==0) { mat[x[(i+1)*m+j]]=1; udah=1; } } has-=udah; } } cout<<has<<"\n"; }

컴파일 시 표준 에러 (stderr) 메시지

dango_maker.cpp: In function 'int main()':
dango_maker.cpp:31:5: warning: unused variable 'hai' [-Wunused-variable]
  ll hai=te;
     ^~~
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