OJ-Problems-Source/HDOJ/4381_autoAC.cpp

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#include <cstdio>
#include <cstring>
#include <algorithm>
#include <iostream>
#include <vector>
#include <cmath>
using namespace std;
const int maxn = 2005;
struct node{
int aa,cor;
node(){}
node(int _aa,int _cor){
aa = _aa; cor = _cor;
}
}x1[maxn],x2[maxn];
int n,m;
int dp1[maxn],dp2[maxn];
int sumx1,sumx2;
bool cmp(const node &p,const node &q){
return p.aa < q.aa;
}
int min(int a,int b)
{
return a<b?a:b;
}
int main()
{
int cas,ta=1;
scanf("%d",&cas);
while(cas--){
int i,j;
scanf("%d%d",&n,&m);
sumx1 = sumx2 = 1;
for(i=0; i<m; i++){
int key,yy,z;
scanf("%d%d%d",&key,&yy,&z);
if(key == 1){
x1[sumx1++] = node(yy,z);
}else{
x2[sumx2++] = node(n+1-yy,z);
}
}
sort(x1+1,x1+sumx1,cmp);
sort(x2+1,x2+sumx2,cmp);
memset(dp1,0x3f,sizeof(dp1));
memset(dp2,0x3f,sizeof(dp2));
dp1[0] = dp2[0] = 0;
for(i=1; i<sumx1; i++){
for(j=x1[i].aa; j>=x1[i].cor; j--){
dp1[j] = min(dp1[j],dp1[j-x1[i].cor]+1);
}
}
for(i=1; i<sumx2; i++){
for(j=x2[i].aa; j>=x2[i].cor; j--){
dp2[j] = min(dp2[j],dp2[j-x2[i].cor]+1);
}
}
int ans = 0,anssum = 0,tmp;
for(i=1; i<=n; i++){
for(j=0; j<=i; j++){
tmp = dp1[j] + dp2[i-j];
if(tmp <= m){
if(ans != i){
ans = i; anssum = tmp;
}else if(tmp < anssum){
anssum = tmp;
}
}
}
}
printf("Case %d: %d %d\n",ta++,ans,anssum);
}
return 0;
}