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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#289767#7857. (-1,1)-Sumpleteucup-team139#TL 1655ms533812kbC++173.8kb2023-12-23 23:31:552023-12-23 23:31:56

Judging History

你现在查看的是最新测评结果

  • [2023-12-23 23:31:56]
  • 评测
  • 测评结果:TL
  • 用时:1655ms
  • 内存:533812kb
  • [2023-12-23 23:31:55]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;

template<int V, class T=int>
class max_flow {
    static const T INF = numeric_limits<T>::max();
    
public:
    struct edge {
        int t, rev;
        T cap, f;
    };
    
    vector<edge> adj[V];
    int dist[V];
    int ptr[V];
    
    bool bfs(int s, int t) {
        memset(dist, -1, sizeof dist);
        dist[s] = 0;
        queue<int> q({ s });
        while (!q.empty() && dist[t] == -1) {
            int n = q.front();
            q.pop();
            for (auto& e : adj[n]) {
                if (dist[e.t] == -1 && e.cap != e.f) {
                    dist[e.t] = dist[n] + 1;
                    q.push(e.t);
                }
            }
        }
        return dist[t] != -1;
    }
    
    T augment(int n, T amt, int t) {
        if (n == t) return amt;
        for (; ptr[n] < adj[n].size(); ptr[n]++) {
            edge& e = adj[n][ptr[n]];
            if (dist[e.t] == dist[n] + 1 && e.cap != e.f) {
                T flow = augment(e.t, min(amt, e.cap - e.f), t);
                if (flow != 0) {
                    e.f += flow;
                    adj[e.t][e.rev].f -= flow;
                    return flow;
                }
            }
        }
        return 0;
    }

    void add(int u, int v, T cap=1, T rcap=0) {
        adj[u].push_back({ v, (int) adj[v].size(), cap, 0 });
        adj[v].push_back({ u, (int) adj[u].size() - 1, rcap, 0 });
    }
    
    T calc(int s, int t) {
        T flow = 0;
        while (bfs(s, t)) {
            memset(ptr, 0, sizeof ptr);
            while (T df = augment(s, INF, t))
                flow += df;
        }
        return flow;
    }
    
    void clear() {
        for (int n = 0; n < V; n++)
            adj[n].clear();
    }
};

void solve(int t){
    int n;
    cin>>n;
    
    vector mat(n,vector(n,'.'));
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            cin>>mat[i][j];
        }
    }
    
    vector r(n,0),c(n,0);
    
    for(int i=0;i<n;i++)cin>>r[i];
    for(int i=0;i<n;i++)cin>>c[i];
    
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            if(mat[i][j]=='-'){
                r[i]++;
                c[j]++;
            }
        }
    }
    
    long long totr=0,totc=0;
    for(int i=0;i<n;i++){
        if(r[i]<0 || c[i]<0){
            cout<<"No\n";
            return;
        }
        totr+=r[i];
        totc+=c[i];
    }
    
    if(totr!=totc){
        cout<<"No\n";
    }else{
        max_flow<8002> ds;
        int source = 2*n;
        int sink = 2*n+1;
        //ds.init(2*n+2);
        
        for(int i=0;i<n;i++){
            ds.add(source,i,r[i]);
            ds.add(n+i,sink,c[i]);
        }
        
        for(int i=0;i<n;i++){
            for(int j=0;j<n;j++){
                ds.add(i,n+j,1);
            }
        }
        
        if(ds.calc(source,sink)!=totr){
            cout<<"No\n";
        }else{
            vector ok(n,vector(n,false));
            
            for(int i=0;i<n;i++){
                for(auto j : ds.adj[i]){
                    if(j.t>=n && j.f==1){
                        ok[i][j.t-n]=true;
                    }
                }
            }
            
            cout<<"Yes\n";
            for(int i=0;i<n;i++){
                for(int j=0;j<n;j++){
                    if((ok[i][j]^(mat[i][j]=='-'))==false){
                        cout<<"0";
                    }else{
                        cout<<"1";
                    }
                }
                cout<<"\n";
            }
        }
    }
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    
    int t=1;
    //cin>>t;
    for(int i=1;i<=t;i++)solve(i);
    
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 3832kb

input:

3
+-+
-++
+-+
1 1 1
1 -1 3

output:

Yes
001
001
111

result:

ok n=3

Test #2:

score: 0
Accepted
time: 0ms
memory: 3896kb

input:

3
---
-++
+++
-2 -1 0
-2 -1 0

output:

Yes
110
100
000

result:

ok n=3

Test #3:

score: 0
Accepted
time: 0ms
memory: 3880kb

input:

3
+-+
-++
++-
1 0 2
2 2 -1

output:

No

result:

ok n=3

Test #4:

score: 0
Accepted
time: 0ms
memory: 4048kb

input:

1
-
-1
1

output:

No

result:

ok n=1

Test #5:

score: 0
Accepted
time: 0ms
memory: 4084kb

input:

1
-
0
0

output:

Yes
0

result:

ok n=1

Test #6:

score: 0
Accepted
time: 1ms
memory: 3832kb

input:

20
+-------+-----+++-++
-+-++++----++-++-++-
-+++--+---+--+-++---
-+++-+--+----++---+-
+++-+-++++++-+-+---+
-++-----+----++++++-
+-++--+++++-++-+----
+-+----+---+-+++--+-
+++++-+++++----+--+-
------++++---+--++--
++++--------++++--+-
-+-+-++++-+-++-++--+
---+-++---+-++-++---
+-++++-++----+-+++--
+-+...

output:

Yes
01111000100100101110
10101110000100100011
10000010000111101100
10010100011111010111
00101011111100100100
11100001100110001001
00110010000100101101
00100000000100001101
00011000111001101101
11110000100001000011
00000011010000001101
10100000110011011010
00010001110011011000
10100010011001011100
01...

result:

ok n=20

Test #7:

score: 0
Accepted
time: 1ms
memory: 4148kb

input:

100
++++-+-+--++++++-+--+--++-+-+--+++++-+++---+-+-+-++-+-+++-------+-++--+-++--+--+++++-++-+---+--+--++
-++--++-+-++++-+---++-+-+-+-+-+-+-+-+--+-+--+--+++---+--+-----+-----+-++-++-+-++++++--+-+++-+++-++++
--+---++-++--++-+++-------+--+-++------+-----+--+----++++++++-+--+++++--++--+-+-+++---+--+++-+...

output:

Yes
0110001011100010101101100110100111110111000101010110101110000000101100101100111111110110100010010011
0111001110100000011001010110101010101001010010011100010010000010000010110110101111110010111011101111
1011010010111011011000000001101011110001000001001000011111111010011111001100101011100010011101...

result:

ok n=100

Test #8:

score: 0
Accepted
time: 14ms
memory: 12132kb

input:

500
--+-+-+-++-----+++--+-+++-+---+-+-------+++--++++++-+--++--+-+-++++-++++--++--+---++--++----++--+---++-++--+-----+-+---++-++++-+++++++---++-++--+-++++-+----++-+++-+++---+--+++-+--++-++--+++++++-+++--+---+---+-+---++-+-+--+-+++-++-----+++-++-+++-+-++--++++++-+-++-+++---++-+++-++----+--+++----++++...

output:

Yes
11010101001111100011010001011101011111110001100111101001100101011110111100110010001100110000110010010010011011111010111001000010000000111001001101000010111100100010001110110001011001001100000001000110111011101011100101011010001001111100010010001010011000000101001000111001000100111101100011110000...

result:

ok n=500

Test #9:

score: 0
Accepted
time: 1257ms
memory: 533664kb

input:

4000
-++-+-+-+--+-++++---+-++------++---+-+++--+++--+++++++---+-++-+++++++----+---+++-++--++---+-++--+----+---+--++-+-+-+-----+-+---++-++--+---+++-++++-+-----++--++-++---++-+--+++-+--+--+-+-++-+++--++---+++-+-+---+++-++-+-++-+-+++---+++---+-+--++---+-+---+--+++--+----+-+--++---+-----+-+--+----+-+++-...

output:

Yes
10010101011010000111010011111100111010001100011000000011101001000000011110111000100110011101001101111011101011010101000001010001101100100011101111010000011001101100011010011101001001010110111001100011101010001110110101101011100011100010100110001010001001110010000101001100010000010100100001011101...

result:

ok n=4000

Test #10:

score: 0
Accepted
time: 1136ms
memory: 533716kb

input:

4000
+---+--++-+--++-+-++--+++--++--+++-+-+-+--++++++-++-+-+++-+---++++-+-+++----++-+---++--++--+++-----++---++-+--++++----++--++--+-+-++--+--+++++-+---+++-+++--++++-++-+++++++----+++-----+--++-+++-++-++-+++-+--++++++-+--++--+-+---++--------+-+--++----+-++-+-++---+--++--+-+--+-+++-+--+--++++-++----+...

output:

Yes
01110110010110010100110001100110001010101100000010010100010111000010100011110010111001100110001111100111001011000011110011001101010011011000001011100010001100001001000000011110001111101100100010010010001011000000101100110101110011111111010110011111011010110001001100101001011101001001111011000010...

result:

ok n=4000

Test #11:

score: 0
Accepted
time: 1453ms
memory: 533688kb

input:

4000
-+--+------+--+++-++-----++--+-++-++-++-+-+-++++++--++--+-++-+-+++---++-+-+++++-++++++-+-++-++-++-+-++---+-+-------++-+++-++-+-++++-++-+-+-----+----+--+----++++-------++-+--+++----+++++++-+--+-+---+-+++++-+-----++-------++++--+-+-++---++++-++++-++-+++-+-++---+--+---+-++++++--++---+-++++++-+-+--...

output:

Yes
10110111111011000100111110011010010010010101000000110011010010100011100101000001000000101001001001010011101011111110010001001010000100101011111011110110111100001111111001011000111100000001011010111010000010111110011111110000110101001110000100001001000101001110110111010000001100111010000001010111...

result:

ok n=4000

Test #12:

score: 0
Accepted
time: 1210ms
memory: 533716kb

input:

4000
+-+-----++++-----++++-+-++-+----+++---++--+---+++-+-++------+-+-++++----+-++++--+-++----+-+---+--+-----+-++--++-+++---+---+++---++-+++---++++---++----+++--+---+---+++-++-+-+-+--+++--++----++-+------+++-++-++--+--+++---+-------++++-+-++--++-+--+------+++++---+---++-++++-+++-++++-+---++-++++----+...

output:

Yes
01011111000011111000010100101111000111001101110001010011111101010000111101000011010011110101110110111110100110010001110111000111001000111000011100111100011011101110001001010101100011001111001011111100010010011011000111011111110000101001100101101111110000011101110010000100010000101110010000111100...

result:

ok n=4000

Test #13:

score: 0
Accepted
time: 1347ms
memory: 533756kb

input:

4000
-+++---+-------+-++++-+++-++-+--++----++++++---+---++-++++-+++-++++-+---+--+++-----+-+--++-+--+-++++--+--++-+---+++++++++-+++++++-+++--+-+---++-+-++----+-++--++-++++++++++++++-+++-++-+++-++-++---+---+++-+-+++++++--+-+++-++-+-----+++-++--+++------+++--+++---+--+----++-+--+-+---+--+---+-+-+--++++...

output:

Yes
10001110111111101000010001001011001111000000111011100100001000100001011101100011111010110010110100001101100101110000000001000000010001101011100101001111010011001000000000000001000100100010010011101110001010000000110100010010111110001001100011111100011000111011011110010110101110110111010101100001...

result:

ok n=4000

Test #14:

score: 0
Accepted
time: 990ms
memory: 533716kb

input:

4000
+--+++++--++--+-+++-++-+-+-+-+--++------++++---+++-+-+--+------++-+--++-+-+++-----+-+++++-+------++++-++++-+--+------++--+++++-+-+--+-+++++++++++++++-+--+-+-+---+-+-+++++-++--+-+---++-++--+--+-+++-+-+++++-+--++-+----+++-++-++++-+---+--+-++-++-+-+-+---++-++-+-+----++-++++-----------+++--++++-++-...

output:

Yes
01100000110011010001001010101011001111110000111000101011011111100101100101000111110100000101111110000100001011011111100110000010101101000000000000000101101010111010111111011001010001101100100101110101111101001101000011101101111010001001011011010101000110110101000011011110000000000011100111101101...

result:

ok n=4000

Test #15:

score: 0
Accepted
time: 1655ms
memory: 533812kb

input:

4000
---++-++-+-+----++-++++-----------+++--++++-++-++--+-+--+--+-+-++++--++-++--+++++--++--+-+----+-+---++-+++-+--+-++++++++-++---++++-+--+-+++---+-+--+--+-+--+--++++++-+---++++++-++++----+-+-+-++--+---+--+-+++--++++++-+++-+---+--+-----------++-+++--+++++++--++-+++++--+++-+-+++++++++--+---+++--+-+-...

output:

Yes
10011000110100001001111010000010001110011100110110011000110101010111011000000101100110010000001011000111100101101011011101100000011100001100001100010111001111100100010101101111100100001001100001001001010001001001110011011001001100010000001001001101111111001001110000110101011011110110001100010110...

result:

ok n=4000

Test #16:

score: -100
Time Limit Exceeded

input:

4000
++-+-------+--++-++-++--++-+++++-++++--+-----++-+--+---++++--+-----++++++---+--+---+------+++-+-----+-+++--+++-+-+-+++-----++---+-+---+-+++++-+--+-++--++-+-----++-+-+---+++-+----++++---++--+-+-++-++-+--++---+++------++-+-++++--+--++-++-+++-++-+--++----++---+-+++-+-+++-++-+--++-++++--++-+-+-+-+-...

output:


result: