Bài 95/2002 - Dãy con có tổng lớn nhất
Program subseq;
const inp = 'subseq.inp';
out = 'subseq.out';
var n, dau, cuoi, d:longint;
max, T:longint;
f, g:text;
Procedure input;
begin
assign(f,inp); reset(f);
assign(g,out); rewrite(g);
Readln(f,n);
End;
Procedure solve;
var i,j:longint;
dau:=1; cuoi:=1; d:=1;
max:=-maxlongint; T:=0;
for i:=1 to n do
begin
readln(f,j); T:=T + j ;
If T > max then
begin
max:=T;
dau:=d; cuoi:=i;
end;
If T<0 then begin T:=0; d:=i+1; end;
end;
Procedure output;
Begin
writeln(g,dau);
writeln(g,cuoi);
writeln(g,max);
Close(f); Close(g);
BEGIN
input;
solve;
output;
END.
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