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답안 #995276

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
995276 2024-06-08T18:07:36 Z modwwe Olympic Bus (JOI20_ho_t4) C++17
37 / 100
 1000 ms 3164 KB 
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx,avx2,sse,sse2")
#include<bits/stdc++.h>
//#define int long long
//#define ll long long
#define down cout<<'\n';
#define NHP     ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".ans","w",stdout)
#define pb push_back
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
const int inf=1e9;

void phongbeo();
const int mod2=1e9+7;
const int  mod1=998244353;
struct icd
{
    int a,b;
};
struct ib
{
    int a;
    int b;
};
struct ic
{
    int a,b,c;
};
struct id
{
    int a,b,c,d;
};
struct ie
{
    int a,b,c, d,e,f;

};
int n,m,s1,s2,s4,s3,sf,k,r,mid,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,l;
int  i,s10,s12;
int el=29;
main()
{
#ifndef ONLINE_JUDGE
    //fin(task),fou(task);
#endif
    NHP
    /// cin>>s1;
    // modwwe
    phongbeo(),down
}
struct cmp
{
    bool operator()(ic a,ic b)
    {
        return a.a>b.a;
    }
};
int color[201];
vector<ic> v[201];
int dp[201][201];
id a[50001];
bool b[50001];

int diditcha(int c,int y)
{
    priority_queue<ic,vector<ic>,cmp>p;
    p.push({0,c,0});
    memset(color,-1,sizeof color);
    while(!p.empty())
    {
        ic x=p.top();
        p.pop();
        if(color[x.b]!=-1) continue;
        color[x.b]=x.c;
        if(x.b==y) return x.a;
        for(auto f:v[x.b])
            if(color[f.a]==-1)
            p.push({x.a+f.b,f.a,f.c});
    }
    return inf;
}
void del(int x,int y)
{
    for(int i=0; i<v[x].size(); i++)
        if(v[x][i].c==y)
        {
            v[x].erase(v[x].begin()+i);
            return;
        }
}
void add(int x,int y,int s2,int c)
{
    v[x].pb({y,s2,c});
}
void phongbeo()
{
    cin>>n;
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
            dp[i][j]=inf;
        dp[i][i]=0;
    }
    cin>>m;
    for(int j=1; j<=m; j++)
    {
        cin>>l>>r>>s2>>s3;
        a[j]= {l,r,s2,s3};
        v[l].pb({r,s2,j});
        dp[l][r]=min(dp[l][r],s2);
    }
    for(int k=1; k<=n; k++)
        for(int i=1; i<=n; i++)
            for(int j=1; j<=n; j++)
                dp[i][j]=min(dp[i][j],dp[i][k]+dp[k][j]);
            s4+=diditcha(1,n);
    s2=n;
    while(color[s2]!=-1)
    {        b[color[s2]]=1,s2=a[color[s2]].a;
    }
    s5+= diditcha(n,1);
    s3=s4+s5;
    s2=1;
    if(s3>=inf) s3=2*inf;
    while(color[s2]!=-1)
    {
        b[color[s2]]=1,s2=a[color[s2]].a;
    }
    for(int j=1; j<=m; j++)
        if(b[j])
        {
            del(a[j].a,j),add(a[j].b,a[j].a,a[j].c,j);
            s5=diditcha(1,n);
            s4=diditcha(n,1);
            if(s4<inf&&s5<inf)
            s3=min({s4+s5+a[j].d,s3});
            del(a[j].b,j),add(a[j].a,a[j].b,a[j].c,j);
        }
        else{
                 if(min(dp[1][a[j].b]+dp[a[j].a][n]+a[j].c,dp[1][n])<inf&&min(dp[n][a[j].b]+dp[a[j].a][1]+a[j].c,dp[n][1])+a[j].d<inf)
        s3=min(s3,min(dp[1][a[j].b]+dp[a[j].a][n]+a[j].c,dp[1][n])+min(dp[n][a[j].b]+dp[a[j].a][1]+a[j].c,dp[n][1])+a[j].d);}
 if(s3>=2*inf)cout<<-1;
 else cout<<s3;
}

Compilation message

ho_t4.cpp:47:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   47 | main()
      | ^~~~
ho_t4.cpp: In function 'void del(int, int)':
ho_t4.cpp:90:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<ic>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   90 |     for(int i=0; i<v[x].size(); i++)
      |                  ~^~~~~~~~~~~~
ho_t4.cpp: In function 'void phongbeo()':
ho_t4.cpp:119:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  119 |         for(int i=1; i<=n; i++)
      |         ^~~
ho_t4.cpp:122:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  122 |             s4+=diditcha(1,n);
      |             ^~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 604 KB Output is correct
2 Correct 5 ms 604 KB Output is correct
3 Correct 5 ms 604 KB Output is correct
4 Correct 8 ms 680 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 6 ms 600 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 19 ms 680 KB Output is correct
11 Correct 22 ms 676 KB Output is correct
12 Correct 22 ms 604 KB Output is correct
13 Correct 5 ms 600 KB Output is correct
14 Correct 5 ms 668 KB Output is correct
15 Correct 5 ms 604 KB Output is correct
16 Correct 5 ms 604 KB Output is correct

Subtask #2
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 3112 KB Output is correct
2 Correct 26 ms 3140 KB Output is correct
3 Correct 23 ms 3020 KB Output is correct
4 Correct 5 ms 604 KB Output is correct
5 Correct 5 ms 660 KB Output is correct
6 Correct 5 ms 600 KB Output is correct
7 Correct 5 ms 604 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 23 ms 2612 KB Output is correct
10 Correct 17 ms 2396 KB Output is correct
11 Correct 45 ms 2772 KB Output is correct
12 Correct 31 ms 2916 KB Output is correct
13 Correct 42 ms 3092 KB Output is correct
14 Correct 38 ms 3164 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 604 KB Output is correct
2 Correct 5 ms 636 KB Output is correct
3 Correct 19 ms 2548 KB Output is correct
4 Correct 5 ms 604 KB Output is correct
5 Correct 23 ms 2964 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 16 ms 2644 KB Output is correct
9 Correct 16 ms 2708 KB Output is correct
10 Correct 34 ms 3084 KB Output is correct
11 Correct 28 ms 2992 KB Output is correct
12 Correct 35 ms 2940 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 28 ms 3152 KB Output is correct
20 Correct 28 ms 2980 KB Output is correct
21 Correct 42 ms 3016 KB Output is correct
22 Correct 25 ms 3008 KB Output is correct

Subtask #4
0 / 63.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 604 KB Output is correct
2 Correct 5 ms 604 KB Output is correct
3 Correct 5 ms 604 KB Output is correct
4 Correct 8 ms 680 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 6 ms 600 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 19 ms 680 KB Output is correct
11 Correct 22 ms 676 KB Output is correct
12 Correct 22 ms 604 KB Output is correct
13 Correct 5 ms 600 KB Output is correct
14 Correct 5 ms 668 KB Output is correct
15 Correct 5 ms 604 KB Output is correct
16 Correct 5 ms 604 KB Output is correct
17 Correct 24 ms 3112 KB Output is correct
18 Correct 26 ms 3140 KB Output is correct
19 Correct 23 ms 3020 KB Output is correct
20 Correct 5 ms 604 KB Output is correct
21 Correct 5 ms 660 KB Output is correct
22 Correct 5 ms 600 KB Output is correct
23 Correct 5 ms 604 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 23 ms 2612 KB Output is correct
26 Correct 17 ms 2396 KB Output is correct
27 Correct 45 ms 2772 KB Output is correct
28 Correct 31 ms 2916 KB Output is correct
29 Correct 42 ms 3092 KB Output is correct
30 Correct 38 ms 3164 KB Output is correct
31 Correct 5 ms 604 KB Output is correct
32 Correct 5 ms 636 KB Output is correct
33 Correct 19 ms 2548 KB Output is correct
34 Correct 5 ms 604 KB Output is correct
35 Correct 23 ms 2964 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 16 ms 2644 KB Output is correct
39 Correct 16 ms 2708 KB Output is correct
40 Correct 34 ms 3084 KB Output is correct
41 Correct 28 ms 2992 KB Output is correct
42 Correct 35 ms 2940 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 28 ms 3152 KB Output is correct
50 Correct 28 ms 2980 KB Output is correct
51 Correct 42 ms 3016 KB Output is correct
52 Correct 25 ms 3008 KB Output is correct
53 Correct 27 ms 3052 KB Output is correct
54 Correct 35 ms 3092 KB Output is correct
55 Correct 27 ms 3044 KB Output is correct
56 Correct 6 ms 600 KB Output is correct
57 Correct 5 ms 600 KB Output is correct
58 Correct 578 ms 2560 KB Output is correct
59 Correct 680 ms 2560 KB Output is correct
60 Execution timed out 1062 ms 2408 KB Time limit exceeded
61 Halted 0 ms 0 KB -