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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#861197#9677. 基础博弈练习题little_one0 142ms192380kbC++143.8kb2025-01-18 16:28:102025-01-18 16:32:03

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  • [2025-01-18 16:32:03]
  • 评测
  • 测评结果:0
  • 用时:142ms
  • 内存:192380kb
  • [2025-01-18 16:28:10]
  • 提交

answer

#include <cstdio>
#include <vector>
#include <algorithm>
#include <queue>
using namespace std;
const int inf = 1e9;
int n,m,K,u,v,a[1000005],b[1000005],ord[1000005],cnt,belong[1000005],occ[1000005],mnocc[1000005],mn[4000005],mn2[1000005],old[1000005],mnto[1000005],deg[1000005],f[1000005];
bool vis[1000005];
vector <int> g[1000005],rg[1000005],scc[1000005],q[1000005],h[1000005],fr[1000005];
queue <int> qq;
void update(int pos){
    mn[pos] = min(mn[pos << 1],mn[pos << 1 | 1]);
}
void build(int pos,int l,int r){
    if(l == r){
        mn[pos] = mn2[l] = inf;
        return;
    }
    int mid = (l + r) >> 1;
    build(pos << 1,l,mid);
    build(pos << 1 | 1,mid + 1,r);
    update(pos);
}
void modify(int pos,int l,int r,int p,int x){
    if(l == r){
        mn[pos] = mn2[l] = x;
        return;
    }
    int mid = (l + r) >> 1;
    if(p <= mid){
        modify(pos << 1,l,mid,p,x);
    }
    else{
        modify(pos << 1 | 1,mid + 1,r,p,x);
    }
    update(pos);
}
void dfs1(int pos){
    vis[pos] = 1;
    for(int i = 0;i < g[pos].size();i++){
        if(!vis[g[pos][i]]){
            dfs1(g[pos][i]);
        }
    }
    ord[++cnt] = pos;
}
void dfs2(int pos){
    scc[belong[pos] = cnt].push_back(pos);
    mnocc[cnt] = min(mnocc[cnt],occ[a[pos]]);
    for(int i = 0;i < rg[pos].size();i++){
        if(!belong[rg[pos][i]]){
            dfs2(rg[pos][i]);
        }
    }
}
int main(){
    scanf("%d%d%d",&n,&m,&K);
    for(int i = 1;i <= n;i++){
        scanf("%d",&a[i]);
        occ[i] = inf;
    }
    for(int i = 1;i <= K;i++){
        scanf("%d",&b[i]);
        if(occ[b[i]] == inf){
            occ[b[i]] = i;
        }
    }
    for(int i = 1;i <= m;i++){
        scanf("%d%d",&u,&v);
        g[u].push_back(v);
        rg[v].push_back(u);
    }
    for(int i = 1;i <= n;i++){
        if(!vis[i]){
            dfs1(i);
        }
    }
    cnt = 0;
    for(int i = n;i;i--){
        if(!belong[ord[i]]){
            cnt++;
            mnocc[cnt] = mnto[cnt] = f[cnt] = inf;
            dfs2(ord[i]);
            if(mnocc[cnt] < inf){
                q[mnocc[cnt]].push_back(cnt);
            }
        }
    }
    build(1,1,n);
    for(int i = K;i;i--){
        modify(1,1,n,b[i],i);
        for(int j = 0;j < q[i].size();j++){
            for(int k = 0;k < scc[q[i][j]].size();k++){
                old[k] = mn2[a[scc[q[i][j]][k]]];
                modify(1,1,n,a[scc[q[i][j]][k]],inf);
            }
            mnto[-q[i][j]] = mn[1];
            for(int k = 0;k < scc[q[i][j]].size();k++){
                modify(1,1,n,a[scc[q[i][j]][k]],old[k]);
            }
        }
    }
    for(int i = 1;i <= n;i++){
        for(int j = 0;j < rg[i].size();j++){
            if(belong[i] != belong[rg[i][j]]){
                h[belong[i]].push_back(belong[rg[i][j]]);
                fr[belong[i]].push_back(i);
                deg[belong[rg[i][j]]]++;
            }
        }
    }
    for(int i = 1;i <= cnt;i++){
        if(!deg[i]){
            qq.push(i);
        }
    }
    while(qq.size()){
        int tmp = qq.front();
        qq.pop();
        if(scc[tmp].size() > 1){
            mnocc[tmp] = min(mnocc[tmp],f[tmp]);
            mnto[tmp] = min(mnto[tmp],f[tmp]);
            f[tmp] = mnocc[tmp] - ((mnto[tmp] - mnocc[tmp]) & 1);
        }
        for(int i = 0;i < h[tmp].size();i++){
            f[h[tmp][i]] = min(f[h[tmp][i]],f[tmp]);
            if(occ[a[fr[tmp][i]]] < inf){
                f[h[tmp][i]] = min(f[h[tmp][i]],occ[a[fr[tmp][i]]] - 1);
            }
            if(!(--deg[h[tmp][i]])){
                qq.push(h[tmp][i]);
            }
        }
    }
    for(int i = 1;i <= n;i++){
        if(f[belong[i]] < inf){
            printf("%d ",f[belong[i]]);
        }
        else{
            printf("-1 ");
        }
    }
    return 0;
}

Details

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Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 10
Accepted
time: 24ms
memory: 164008kb

input:

83 93 13
8 9 10 7 7 7 6 3 1 10 6 2 5 7 1 3 4 2 1 10 7 4 8 9 2 2 1 9 2 5 1 7 8 6 1 9 9 10 4 1 2 9 2 3 4 2 9 10 8 1 4 1 8 4 1 4 4 7 4 8 2 9 2 5 2 2 3 3 8 5 2 9 3 10 8 8 1 6 6 1 6 7 10
7 5 10 3 2 2 7 4 8 7 6 6 5
56 36
33 41
32 62
37 7
6 53
41 13
9 36
44 77
38 62
76 16
72 5
40 13
55 60
5 78
72 45
13 44
...

output:

0 -1 -1 -1 2 0 -1 7 0 -1 3 -1 0 0 1 -1 0 -1 0 0 -1 0 -1 2 -1 -1 -1 -1 -1 -1 0 0 0 -1 0 -1 3 0 0 0 0 0 -1 -1 -1 -1 0 0 0 -1 0 0 3 0 0 0 -1 -1 3 -1 0 0 0 0 0 8 -1 -1 1 -1 -1 0 3 4 -1 3 -1 3 -1 0 0 0 -1 

result:

ok 83 numbers

Test #2:

score: 0
Wrong Answer
time: 24ms
memory: 165616kb

input:

95 33 40
1 1 1 1 3 3 1 1 2 1 1 2 3 3 2 2 2 1 2 3 1 2 1 2 2 1 2 2 3 3 1 1 2 3 1 2 1 3 2 1 1 1 3 2 1 1 1 2 3 2 3 1 1 3 2 3 1 2 1 3 1 2 1 1 1 1 2 1 2 3 1 1 3 3 2 1 3 3 3 1 2 3 1 2 2 1 3 2 1 1 1 2 2 3 1
2 2 3 1 3 3 2 3 3 2 2 2 2 1 1 1 1 2 1 1 1 1 1 2 3 1 3 2 2 3 1 3 3 1 2 2 3 2 1 3
11 95
57 80
22 89
56 ...

output:

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

result:

wrong answer 66th numbers differ - expected: '3', found: '2'

Subtask #2:

score: 0
Skipped

Dependency #1:

0%

Subtask #3:

score: 0
Wrong Answer

Test #6:

score: 0
Wrong Answer
time: 142ms
memory: 192380kb

input:

100000 355071 10000
5 7 4 7 4 1 10 5 9 4 9 4 3 10 5 4 9 1 7 10 1 6 10 3 10 9 8 4 6 3 10 8 6 8 3 5 10 9 7 7 1 3 8 8 6 2 8 4 2 9 1 10 3 6 3 8 9 10 5 7 3 2 1 5 7 4 3 4 6 4 2 7 2 5 5 6 4 6 7 4 4 6 4 2 3 9 9 9 10 8 1 6 7 2 9 8 2 3 1 6 9 4 10 3 10 1 2 3 3 4 1 1 1 5 8 6 8 3 1 6 2 9 5 9 4 7 2 10 7 5 2 2 7 4...

output:

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

result:

wrong answer 544th numbers differ - expected: '4', found: '3'

Subtask #4:

score: 0
Skipped

Dependency #3:

0%

Subtask #5:

score: 0
Skipped

Dependency #4:

0%