mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
90 lines
1.9 KiB
C++
90 lines
1.9 KiB
C++
#include<iostream>
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#include<cstdio>
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#include<cstdlib>
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#include<cstring>
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#include<algorithm>
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using namespace std;
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const int MAXN=33;
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struct rec
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{
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int x,y,d;
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}ans[MAXN*2];
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struct node
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{
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int h,m,dat,num;
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}a[MAXN*2];
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int n,m,k;
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int map[MAXN][MAXN];
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bool b[MAXN][MAXN];
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bool cmp(node a,node b)
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{
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if (a.h<b.h || (a.h==b.h && a.m<b.m)) return 1; else return 0;
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}
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bool Init()
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{
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scanf("%d%d%d",&n,&m,&k);
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if (!n && !m && !k) return 0;
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for (int i=1;i<=n;++i)
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for (int j=1;j<=m;++j)
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scanf("%d",&map[i][j]);
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for (int i=1;i<=k;++i)
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scanf("%d:%d %d",&a[i].h,&a[i].m,&a[i].dat),a[i].num=i;
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sort(a+1,a+k+1,cmp);
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return 1;
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}
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bool Cleck(int x,int y,int z)
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{
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for (int i=y;i<=y+z-1;++i)
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if (b[x][i]) return 0;
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return 1;
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}
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bool GF(int h)
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{
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rec Max;
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Max.x=Max.y=Max.d=0;
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for (int i=1;i<=n;++i)
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for (int j=1;j<=m-a[h].dat+1;++j)
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if (Cleck(i,j,a[h].dat))
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if (map[i][j]>Max.d)
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Max.x=i,Max.y=j,Max.d=map[i][j];
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if (Max.x && Max.y)
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{
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ans[a[h].num]=Max;
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for (int i=Max.y;i<=Max.y+a[h].dat-1;++i) b[Max.x][i]=1;
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return 1;
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}
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return 0;
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}
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bool GM(int h)
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{
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rec Max;
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Max.x=Max.y=Max.d=0;
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for (int i=1;i<=n;++i)
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for (int j=1;j<=m;++j)
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if (!b[i][j] && Max.d<map[i][j]) Max.x=i,Max.y=j,Max.d=map[i][j];
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if (Max.x && Max.y)
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{
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ans[a[h].num]=Max,b[Max.x][Max.y]=1;
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return 1;
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}
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return 0;
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}
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void Solve()
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{
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memset(ans,0,sizeof(ans));
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memset(b,0,sizeof(b));
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for (int i=1;i<=k;++i)
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{
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if (GF(i)) continue;
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if (GM(i)) continue;
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ans[a[i].num].d=-1;
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}
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for (int i=1;i<=k;++i)
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if (ans[i].d!=-1) printf("%d %d\n",ans[i].x,ans[i].y); else printf("-1\n");
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}
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int main()
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{
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while (Init()) Solve();
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return 0;
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}
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