제출 #904411

#제출 시각아이디문제언어결과실행 시간메모리
904411vjudge1무지개나라 (APIO17_rainbow)C++17
컴파일 에러
0 ms0 KiB
bool was[1001][1001]; bool c[1001][1001]; void dfs(int x,int y,int lx,int ly,int rx,int ry){ if(x>=lx and x<=rx and y>=ly and y<=ry and !c[x][y] and !was[x][y]){ c[x][y]=1; dfs(x-1,y,lx,ly,rx,ry); dfs(x+1,y,lx,ly,rx,ry); dfs(x,y-1,lx,ly,rx,ry); dfs(x,y+1,lx,ly,rx,ry); } } void init(int r,int c,int sr,int sc,int m,string s){ int px=sr,py=sc; was[px][py]=1; for(auto u:s){ if(u=='S'){ px++; }else if(u=='N'){ px--; }else if(u=='W'){ py++; }else{ py--; } was[px][py]=1; } } int colours(int lx,int ly,int rx,int ry){ for(int i=1;i<=100;i++){ for(int j=1;j<=100;j++){ c[i][j]=0; } } int cnt=0; for(int i=lx;i<=rx;i++){ for(int j=ly;j<=ry;j++){ if(!c[i][j]){ dfs(i,j,lx,ly,rx,ry); cnt++; } } } return cnt; }

컴파일 시 표준 에러 (stderr) 메시지

rainbow.cpp:12:43: error: 'string' has not been declared
   12 | void init(int r,int c,int sr,int sc,int m,string s){
      |                                           ^~~~~~
rainbow.cpp: In function 'void init(int, int, int, int, int, int)':
rainbow.cpp:15:16: error: 'begin' was not declared in this scope
   15 |     for(auto u:s){
      |                ^
rainbow.cpp:15:16: error: 'end' was not declared in this scope