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NOIP2011
DAY1
铺地毯
(carpet.cpp/c/pas)
模拟
倒序离线处理
1 program carpet; 2 var 3 l,w:array[0..10000,1..2] of longint; 4 n,i,a,b,g,k,x,y:longint; 5 flag:boolean; 6 begin 7 assign(input,‘carpet.in‘); 8 reset(input); 9 assign(output,‘carpet.out‘); 10 rewrite(output); 11 readln(n); 12 for i:=1 to n do 13 begin 14 readln(a,b,g,k); 15 l[i,1]:=a; 16 l[i,2]:=a+g; 17 w[i,1]:=b; 18 w[i,2]:=b+k; 19 end; 20 readln(x,y); 21 flag:=true; 22 for i:=n downto 1 do 23 if (l[i,1]<=x)and(x<=l[i,1]) and (w[i,1]<=y)and(y<=w[i,2]) then 24 begin writeln(i); flag:=false; break; end; 25 if flag then writeln(-1); 26 close(input); 27 close(output); 28 end.
1 var 2 n,i,g,k,x,y:longint; 3 a,b,c,d:array[1..10000] of longint; 4 begin 5 assign(input,‘carpet.in‘); 6 reset(input); 7 assign(output,‘carpet.out‘); 8 rewrite(output); 9 readln(n); 10 for i:=1 to n do 11 begin 12 readln(a[i],b[i],g,k); 13 c[i]:=a[i]+g; 14 d[i]:=b[i]+k; 15 end; 16 readln(x,y); 17 for i:=n downto 1 do 18 if (x>=a[i]) and (x<=c[i]) and (y>=b[i]) and (y<=d[i]) 19 then begin writeln(i); close(input); close(output); halt; end; 20 writeln(-1); 21 close(input); 22 close(output); 23 end. 24 25 program P620; 26 var 27 x,y,n,a1,b1,i,j,s:longint; 28 a,b,c,d:array[1..10000] of longint; 29 begin 30 assign(input,‘carpet.in‘); 31 reset(input); 32 assign(output,‘carpet.out‘); 33 rewrite(output); 34 readln(n); 35 for i:=1 to n do 36 begin 37 readln(a[i],b[i],a1,b1); 38 c[i]:=a[i]+a1; 39 d[i]:=b[i]+b1; 40 end; 41 readln(x,y); 42 s:=-1; 43 for i:=1 to n do 44 if (a[i]<=x)and(b[i]<=y)and(c[i]>=x)and(d[i]>=y) then s:=i; 45 writeln(s); 46 end.
NOIP2011
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