1 条题解
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0
C++ :
#include <iostream> #include <algorithm> using namespace std; const int N(103); int f[N][N],t[N],ans[N][2]; int main() { int m,k,x,T; cin>>m>>k; for(int i=1;i<=m;i++) { cin>>x; t[i]=t[i-1]+x; } for(int i=1;i<=m;i++) f[i][1]=t[i]; for(int i=1;i<=m;i++) for(int j=2;j<=k;j++) { f[i][j]=0x7fffffff; for(int k=i-1;k>=0;k--) f[i][j]=min(f[i][j],max(f[k][j-1],t[i]-t[k])); } T=f[m][k]; int e(m); for(int i=m,j=0;i>=1;i--) { if(t[e]-t[i-1]>T) { j++; ans[j][0]=i+1; ans[j][1]=e; e=i;i++; } ans[0][0]=j; } ans[0][0]++; int z=ans[0][0]; ans[z][0]=1; ans[z][1]=e; for(int i=ans[0][0];i>=1;i--) printf("%d %d\n",ans[i][0],ans[i][1]); return 0; }
Pascal :
program acm3014; const maxn=100; var a,w,c:array[-1..maxn] of longint; f,g:array[0..maxn,0..maxn] of longint; i,j,k,n,m,x:longint; function max(x,y:longint):longint; begin if x>y then exit(x) else exit(y); end; function min(x,y:longint):longint; begin if x<y then exit(x) else exit(y); end; begin readln(m,n); for i:=1 to m do begin read(a[i]); w[i]:=w[i-1]+a[i]; end; fillchar(f,sizeof(f),$7f); for i:=1 to m do f[1,i]:=w[i]; for i:=2 to n do for j:=i to m do begin for k:=i-1 to j-1 do begin x:=max(f[i-1,k],w[j]-w[k]); if x<f[i,j] then begin f[i,j]:=x; g[i,j]:=k; end; end; end; //writeln(f[n,m]); j:=0; x:=m; for i:=n downto 2 do begin inc(j); c[i]:=g[i,x]; x:=g[i,x]; end; c[1]:=0; c[n+1]:=m; for i:=1 to n do writeln(c[i]+1,' ',c[i+1]); end.
- 1
信息
- ID
- 764
- 时间
- 1000ms
- 内存
- 128MiB
- 难度
- (无)
- 标签
- 递交数
- 0
- 已通过
- 0
- 上传者