QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#595932 | #7857. (-1,1)-Sumplete | Delov | TL | 21ms | 27512kb | C++14 | 2.6kb | 2024-09-28 14:48:12 | 2024-09-28 14:48:13 |
Judging History
answer
#include <bits/stdc++.h>
typedef long long ll;typedef unsigned long long ull; typedef double db;typedef long double ldb;
#define fre(x) freopen(#x ".in","r",stdin),freopen(#x ".out","w",stdout)
#define Rep(i,a,b) for(int i=a;i<=b;++i)
#define Dwn(i,a,b) for(int i=a;i>=b;--i)
#define pii pair<int,int>
#define mair make_pair
#define fir first
#define sec second
using namespace std;
const int maxn=4e3+10,INF=INT_MAX>>1;
int n;
int a[maxn][maxn];
char s[maxn];
int R[maxn],C[maxn],sR[maxn],sC[maxn];
int S,T;
struct Graph_Net{
struct eg{ int from,to,next;ll cap; }e[maxn*maxn*2+maxn*4];
int len,head[maxn*2];
Graph_Net(){ len=1; }
void init(){ len=1;memset(head,0,sizeof(head));memset(e,0,sizeof(e)); }
void lqx(int from,int to,ll cap)
{ e[++len].from=from;e[len].to=to;e[len].next=head[from];e[len].cap=cap;head[from]=len; }
void Set_c(int u,int v,int w){ lqx(u,v,w),lqx(v,u,0); }
int dep[maxn*2],cur[maxn*2];
queue<int>q;
bool bfs(int s,int t){
memset(dep,0,sizeof(dep)); dep[s]=1;
while(!q.empty())q.pop(); q.push(s); cur[s]=head[s];
while(!q.empty()){
s=q.front();q.pop();
for(int i=head[s];i;i=e[i].next){
int v=e[i].to;
if(dep[v] || !e[i].cap)continue;
dep[v]=dep[s]+1;
cur[v]=head[v];
if(v==t)return true;
q.push(v);
}
}
return false;
}
ll dfs(int u,ll flow){
if(u==T || !flow)return flow;
ll rest=flow;
for(int &i=cur[u];i;i=e[i].next){
int v=e[i].to;
if(!e[i].cap || dep[v]!=dep[u]+1)continue;
ll res=dfs(v,min(rest,e[i].cap));
if(res==0)dep[v]=0;
rest-=res; e[i].cap-=res,e[i^1].cap+=res;
if(rest<=0)break;
}
return flow-rest;
}
ll Dinic(int s,int t){ ll res=0;while(bfs(s,t))res+=dfs(s,INF); return res; }
void Build(){
Rep(u,1,n){
for(int i=head[u];i;i=e[i].next)if(e[i].to!=S){
int v=e[i].to-n;
if(e[i].cap==0)a[u][v]^=1;
}
}
}
}G;
void solve(){
cin>>n;
Rep(i,1,n){
cin>>s;
for(int j=0;j<n;++j)a[i][j+1]=(s[j]=='+'),sR[i]+=a[i][j+1],sC[j+1]+=a[i][j+1];
}
Rep(i,1,n)cin>>R[i];
Rep(i,1,n)cin>>C[i];
Rep(i,1,n)if(sR[i]<R[i] || sC[i]<C[i])return cout<<"No\n",void();
S=n+n+1,T=n+n+2;
int sum=0,sam=0;
Rep(i,1,n){
G.Set_c(S,i,sR[i]-R[i]);
G.Set_c(i+n,T,sC[i]-C[i]);
sum+=sR[i]-R[i];
sam+=sC[i]-C[i];
}
if(sum!=sam)return cout<<"No\n",void();
Rep(i,1,n)Rep(j,1,n)G.Set_c(i,j+n,1);
int res=G.Dinic(S,T);
if(res!=sum)return cout<<"No\n",void();
G.Build();
cout<<"Yes\n";
Rep(i,1,n){
Rep(j,1,n)cout<<a[i][j];
cout<<"\n";
}
}
int main (){ ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);return solve(),0; }
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 5612kb
input:
3 +-+ -++ +-+ 1 1 1 1 -1 3
output:
Yes 001 001 111
result:
ok n=3
Test #2:
score: 0
Accepted
time: 1ms
memory: 5684kb
input:
3 --- -++ +++ -2 -1 0 -2 -1 0
output:
Yes 110 100 000
result:
ok n=3
Test #3:
score: 0
Accepted
time: 1ms
memory: 5904kb
input:
3 +-+ -++ ++- 1 0 2 2 2 -1
output:
No
result:
ok n=3
Test #4:
score: 0
Accepted
time: 1ms
memory: 5556kb
input:
1 - -1 1
output:
No
result:
ok n=1
Test #5:
score: 0
Accepted
time: 1ms
memory: 5676kb
input:
1 - 0 0
output:
Yes 0
result:
ok n=1
Test #6:
score: 0
Accepted
time: 1ms
memory: 7976kb
input:
20 +-------+-----+++-++ -+-++++----++-++-++- -+++--+---+--+-++--- -+++-+--+----++---+- +++-+-++++++-+-+---+ -++-----+----++++++- +-++--+++++-++-+---- +-+----+---+-+++--+- +++++-+++++----+--+- ------++++---+--++-- ++++--------++++--+- -+-+-++++-+-++-++--+ ---+-++---+-++-++--- +-++++-++----+-+++-- +-+...
output:
Yes 01110001100000110100 10101101010110110111 10000001011001011111 10000111010001101101 11011100001101010001 10011111010001111110 01001100001011010111 10111110111101110110 10000100000000010111 00011100001001011001 00001111111111100111 01011000010111001100 00010110000111101101 10111101101111101011 00...
result:
ok n=20
Test #7:
score: 0
Accepted
time: 2ms
memory: 8208kb
input:
100 ++++-+-+--++++++-+--+--++-+-+--+++++-+++---+-+-+-++-+-+++-------+-++--+-++--+--+++++-++-+---+--+--++ -++--++-+-++++-+---++-+-+-+-+-+-+-+-+--+-+--+--+++---+--+-----+-----+-++-++-+-++++++--+-+++-+++-++++ --+---++-++--++-+++-------+--+-++------+-----+--+----++++++++-+--+++++--++--+-+-+++---+--+++-+...
output:
Yes 0000101011100011010010011010100111110111000101010110101110000000101100101100100111110110101101101100 1001100101100001000110101010101010101001010010011100010010000010000010110110101111110010111011101000 1101110010111010111000000010010110000001000001001000011111111010011111001100101011100010011110...
result:
ok n=100
Test #8:
score: 0
Accepted
time: 21ms
memory: 27512kb
input:
500 --+-+-+-++-----+++--+-+++-+---+-+-------+++--++++++-+--++--+-+-++++-++++--++--+---++--++----++--+---++-++--+-----+-+---++-++++-+++++++---++-++--+-++++-+----++-+++-+++---+--+++-+--++-++--+++++++-+++--+---+---+-+---++-+-+--+-+++-++-----+++-++-+++-+-++--++++++-+-++-+++---++-+++-++----+--+++----++++...
output:
Yes 11010101001111100011010001011101011111110001100000010110011010100001000011001101110011001111001101110010010100000101000110111101111111000110110010111101000011011101110001001110100110110011111110111001000101101011100101011010001001111100010010001010011000000101001000111001000100111101100011110000...
result:
ok n=500
Test #9:
score: -100
Time Limit Exceeded
input:
4000 -++-+-+-+--+-++++---+-++------++---+-+++--+++--+++++++---+-++-+++++++----+---+++-++--++---+-++--+----+---+--++-+-+-+-----+-+---++-++--+---+++-++++-+-----++--++-++---++-+--+++-+--+--+-+-++-+++--++---+++-+-+---+++-++-+-++-+-+++---+++---+-+--++---+-+---+--+++--+----+-+--++---+-----+-+--+----+-+++-...
output:
Yes 10010101011010000111010011111100111010001100011000000011101001000000011110111000100110011101001101111011101100101010111110101110010011011100010000101111100110011011100101100010110110101001010110011100010101110001001010100100110100011101011001110101110110001101011010110011101111101011011100101011...