QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#385304#6846. Wiring EngineeringschrodingerstomWA 19ms6352kbC++146.9kb2024-04-10 17:28:332024-04-10 17:28:33

Judging History

你现在查看的是最新测评结果

  • [2024-04-10 17:28:33]
  • 评测
  • 测评结果:WA
  • 用时:19ms
  • 内存:6352kb
  • [2024-04-10 17:28:33]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
bool memBeg;
template<typename T,typename TT> void chkmin(T &x,TT y) {if(x>y) x=y;}
template<typename T,typename TT> void chkmax(T &x,TT y) {if(x<y) x=y;}
constexpr int mod=998244353;
void inc(int &x,int y) {x+=y; x-=(x>=mod)*mod;}
void dec(int &x,int y) {x-=y; x+=(x<0)*mod;}
constexpr int add(int x,int y) {return (x+y>=mod)?x+y-mod:x+y;}
constexpr int sub(int x,int y) {return (x<y)?x-y+mod:x-y;}
constexpr int quick_pow(int x,ll times,int ret=1) {
    for(;times;times>>=1,x=1ll*x*x%mod) if(times&1) ret=1ll*ret*x%mod;
    return ret;
}
constexpr int maxn=505;
constexpr int maxQ=3e5+5;
constexpr int inf=0x3f3f3f3f;
int n,Q,c1[maxn],c2[maxn],mat[maxn][maxn],qa[maxQ],qb[maxQ],qc[maxQ],qd[maxQ],ret[maxQ];
int lhs[maxn][maxn][2][2],rhs[maxn][maxn][2][2],qry[maxQ];
void clhs(int l1,int r1,int l2,int r2,int tp) {
    lhs[r1+1][r2+1][0][0]=lhs[r1+1][r2+1][0][1]=0;
    lhs[r1+1][r2+1][1][0]=lhs[r1+1][r2+1][1][1]=0;
    lhs[r1+1][r2][0][0]=0; lhs[r1+1][r2][0][1]=-inf;
    lhs[r1+1][r2][1][0]=0; lhs[r1+1][r2][1][1]=-inf;
    lhs[r1][r2+1][0][0]=lhs[r1][r2+1][0][1]=0;
    lhs[r1][r2+1][1][0]=lhs[r1][r2+1][1][1]=-inf;
    // printf("l1 = %d, r1 = %d, l2 = %d, r2 = %d, tp = %d\n",l1,r1,l2,r2,tp);
    for(int i=r1;i>=l1;i--) {
        for(int j=r2;j>=l2;j--) {
            for(int a=1;a>=0;a--) {
                for(int b=1;b>=0;b--) {
                    lhs[i][j][a][b]=-inf;
                    if(!a) chkmax(lhs[i][j][a][b],lhs[i][j][1][b]);
                    if(!b) chkmax(lhs[i][j][a][b],lhs[i][j][a][1]);
                    if(tp==1&&i==r1&&!a) continue;
                    if(tp==2&&j==r2&&!b) continue;
                    if(!a) chkmax(lhs[i][j][a][b],lhs[i+1][j][0][b]);
                    if(!b) chkmax(lhs[i][j][a][b],lhs[i][j+1][a][0]);
                    if(a&&b) {
                        chkmax(lhs[i][j][a][b],lhs[i+1][j][0][1]+mat[i][j]-c1[i]);
                        chkmax(lhs[i][j][a][b],lhs[i][j+1][1][0]+mat[i][j]-c2[j]);
                        chkmax(lhs[i][j][a][b],lhs[i+1][j+1][0][0]+mat[i][j]-c1[i]-c2[j]);
                    }
                    // printf("lhs[i = %d][j = %d][a = %d][b = %d] = %d\n",i,j,a,b,lhs[i][j][a][b]);
                }
            }
        }
    }
}
void crhs(int l1,int r1,int l2,int r2,int tp) {
    rhs[l1-1][l2-1][0][0]=rhs[l1-1][l2-1][0][1]=0;
    rhs[l1-1][l2-1][1][0]=rhs[l1-1][l2-1][1][1]=0;
    rhs[l1][l2-1][0][0]=rhs[l1][l2-1][0][1]=0;
    rhs[l1][l2-1][1][0]=rhs[l1][l2-1][1][1]=-inf;
    rhs[l1-1][l2][0][0]=0; rhs[l1-1][l2][0][1]=-inf;
    rhs[l1-1][l2][1][0]=0; rhs[l1-1][l2][1][1]=-inf;
    // printf("l1 = %d, r1 = %d, l2 = %d, r2 = %d, tp = %d\n",l1,r1,l2,r2,tp);
    int t=-1;
    if(tp==1) t=c1[l1],c1[l1]=0;
    if(tp==2) t=c2[l2],c2[l2]=0;
    for(int i=l1;i<=r1;i++) {
        for(int j=l2;j<=r2;j++) {
            for(int a=1;a>=0;a--) {
                for(int b=1;b>=0;b--) {
                    rhs[i][j][a][b]=-inf;
                    if(!a) {
                        chkmax(rhs[i][j][a][b],rhs[i-1][j][0][b]);
                        chkmax(rhs[i][j][a][b],rhs[i][j][1][b]);
                    }
                    if(!b) {
                        chkmax(rhs[i][j][a][b],rhs[i][j-1][a][0]);
                        chkmax(rhs[i][j][a][b],rhs[i][j][a][1]);
                    }
                    if(a&&b) {
                        chkmax(rhs[i][j][a][b],rhs[i-1][j][0][1]+mat[i][j]-c1[i]);
                        chkmax(rhs[i][j][a][b],rhs[i][j-1][1][0]+mat[i][j]-c2[j]);
                        chkmax(rhs[i][j][a][b],rhs[i-1][j-1][0][0]+mat[i][j]-c1[i]-c2[j]);
                    }
                    // printf("rhs[i = %d][j = %d][a = %d][b = %d] = %d\n",i,j,a,b,rhs[i][j][a][b]);
                }
            }
        }
    }
    if(tp==1) c1[l1]=t;
    if(tp==2) c2[l2]=t;
}
void solve(int l1,int r1,int l2,int r2,int *stk,int top) {
    if(!top) return;
    if(l1==r1&&l2==r2) {
        int mx=max(0,-c1[l1]-c2[l2]+mat[l1][l2]);
        for(int i=1;i<=top;i++) ret[stk[i]]=mx;
        return;
    }
    if(r1-l1<r2-l2) {
        int mid=(l2+r2)>>1,ltop=0,rtop=0,key=0;
        for(int i=1;i<=top;i++) {
            if(qc[stk[i]]>mid) rtop++;
            else if(qd[stk[i]]<=mid) ltop++;
            else key++;
        }
        nth_element(stk+1,stk+ltop+1,stk+top+1,[&](int x,int y) {return qd[x]<qd[y];});
        nth_element(stk+ltop+1,stk+ltop+key+1,stk+top+1,[&](int x,int y) {return qc[x]<qc[y];});
        solve(l1,r1,l2,mid,stk,ltop);
        solve(l1,r1,mid+1,r2,stk+ltop+key,rtop);
        // printf("line = %d, l1 = %d, r1 = %d, l2 = %d, r2 = %d\n",__LINE__,l1,r1,l2,r2);
        int st=ltop+1,ed=ltop+key;
        for(int i=l1;i<=r1;i++) {
            clhs(l1,i,l2,mid,1); crhs(i,r1,mid+1,r2,1);
            for(int j=st;j<=ed;j++) if(qa[stk[j]]<=i&&i<=qb[stk[j]]) {
                chkmax(ret[stk[j]],lhs[qa[stk[j]]][qc[stk[j]]][0][0]+rhs[qb[stk[j]]][qd[stk[j]]][0][0]);
                // printf("line = %d, i = %d, ret = %d\n",__LINE__,i,ret[stk[j]]);
                chkmax(ret[stk[j]],rhs[qb[stk[j]]][qd[stk[j]]][0][0]-c1[i]);
                // printf("line = %d, i = %d, ret = %d\n",__LINE__,i,ret[stk[j]]);
            }
        }
    } else {
        int mid=(l1+r1)>>1,ltop=0,rtop=0,key=0;
        for(int i=1;i<=top;i++) {
            if(qa[stk[i]]>mid) rtop++;
            else if(qb[stk[i]]<=mid) ltop++;
            else key++;
        }
        nth_element(stk+1,stk+ltop+1,stk+top+1,[&](int x,int y) {return qb[x]<qb[y];});
        nth_element(stk+ltop+1,stk+ltop+key+1,stk+top+1,[&](int x,int y) {return qa[x]<qa[y];});
        solve(l1,mid,l2,r2,stk,ltop);
        solve(mid+1,r1,l2,r2,stk+ltop+key,rtop);
        // printf("line = %d, l1 = %d, r1 = %d, l2 = %d, r2 = %d\n",__LINE__,l1,r1,l2,r2);
        int st=ltop+1,ed=ltop+key;
        for(int i=l2;i<=r2;i++) {
            clhs(l1,mid,l2,i,2); crhs(mid+1,r1,i,r2,2);
            for(int j=st;j<=ed;j++) if(qc[stk[j]]<=i&&i<=qd[stk[j]]) {
                chkmax(ret[stk[j]],lhs[qa[stk[j]]][qc[stk[j]]][0][0]+rhs[qb[stk[j]]][qd[stk[j]]][0][0]);
                chkmax(ret[stk[j]],rhs[qb[stk[j]]][qd[stk[j]]][0][0]-c2[i]);
                // printf("line = %d, i = %d, ret = %d\n",__LINE__,i,ret[stk[j]]);
            }
        }
    }
}
bool memEn;
void fl() {
    freopen(".in","r",stdin);
    freopen(".out","w",stdout);
}
int main() {
    fprintf(stderr,"%.24lf\n",fabs(&memEn-&memBeg)/1024.0/1024.0);
    // fl();
    scanf("%d%d",&n,&Q);
    for(int i=1;i<=n;i++) scanf("%d",&c1[i]);
    for(int i=1;i<=n;i++) scanf("%d",&c2[i]);
    for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) scanf("%d",&mat[i][j]);
    for(int i=1;i<=Q;i++) scanf("%d%d%d%d",&qa[i],&qb[i],&qc[i],&qd[i]);
    iota(qry+1,qry+Q+1,1); solve(1,n,1,n,qry,Q);
    if(Q>1000) printf("%d %d %d %d\n",qa[5],qb[5],qc[5],qd[5]);
    for(int i=1;i<=Q;i++) printf("%d\n",ret[i]);
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3976kb

input:

3 4
1 2 1
2 1 2
1 2 3
4 5 6
3 2 1
1 3 1 3
2 3 1 2
1 1 2 3
1 2 2 3

output:

8
5
1
7

result:

ok 4 lines

Test #2:

score: -100
Wrong Answer
time: 19ms
memory: 6352kb

input:

24 90000
8793 8115 9643 2814 6394 7070 3822 4788 6737 6506 2901 4772 5347 5050 3493 2803 584 2544 3834 678 9891 2958 5475 522
9057 3674 3163 6433 5937 8480 4815 1201 5509 1303 4151 8190 6229 9339 9765 3011 2256 3682 8442 3641 2268 5609 4948 9632
5872 4006 7690 2611 5381 6184 9483 8527 8248 960 8124 ...

output:

1 1 1 5
0
0
0
0
3649
3649
4537
11863
14602
14602
18575
18575
22989
29538
29538
35474
39009
40661
41925
48169
48169
48169
48235
48235
0
0
0
3649
3649
4537
11863
14602
14602
18575
18575
22989
29538
29538
35474
39009
40661
41925
48169
48169
48169
48235
48235
0
0
1115
1115
3088
10414
13153
13153
17126
1...

result:

wrong answer 1st lines differ - expected: '0', found: '1 1 1 5'