답안 #995205

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
995205 2024-06-08T16:03:30 Z modwwe Olympic Bus (JOI20_ho_t4) C++17
37 / 100
1000 ms 7012 KB
#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;
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])
            p.push({x.a+f.b,f.a,f.c});
    }
    return 1e17;
}
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]=1e17;
        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;
    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);
            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
        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>=1e17)cout<<-1;
 else cout<<s3;
}

Compilation message

ho_t4.cpp:43:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   43 | main()
      | ^~~~
ho_t4.cpp: In function 'void del(long long int, long long int)':
ho_t4.cpp:85:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<ic>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |     for(int i=0; i<v[x].size(); i++)
      |                  ~^~~~~~~~~~~~
ho_t4.cpp: In function 'void phongbeo()':
ho_t4.cpp:114:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  114 |         for(int i=1; i<=n; i++)
      |         ^~~
ho_t4.cpp:117:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  117 |             s4+=diditcha(1,n);
      |             ^~
# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 856 KB Output is correct
2 Correct 6 ms 808 KB Output is correct
3 Correct 10 ms 860 KB Output is correct
4 Correct 13 ms 860 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 7 ms 604 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 26 ms 860 KB Output is correct
11 Correct 32 ms 868 KB Output is correct
12 Correct 31 ms 860 KB Output is correct
13 Correct 7 ms 856 KB Output is correct
14 Correct 14 ms 860 KB Output is correct
15 Correct 10 ms 1116 KB Output is correct
16 Correct 12 ms 860 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 41 ms 6960 KB Output is correct
2 Correct 51 ms 6904 KB Output is correct
3 Correct 32 ms 5632 KB Output is correct
4 Correct 7 ms 860 KB Output is correct
5 Correct 8 ms 856 KB Output is correct
6 Correct 7 ms 600 KB Output is correct
7 Correct 9 ms 600 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 23 ms 5464 KB Output is correct
10 Correct 21 ms 4860 KB Output is correct
11 Correct 83 ms 5572 KB Output is correct
12 Correct 56 ms 5756 KB Output is correct
13 Correct 64 ms 6712 KB Output is correct
14 Correct 73 ms 6944 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 860 KB Output is correct
2 Correct 7 ms 804 KB Output is correct
3 Correct 41 ms 5712 KB Output is correct
4 Correct 9 ms 604 KB Output is correct
5 Correct 32 ms 5468 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 20 ms 4844 KB Output is correct
9 Correct 20 ms 5400 KB Output is correct
10 Correct 110 ms 6752 KB Output is correct
11 Correct 52 ms 6480 KB Output is correct
12 Correct 109 ms 6720 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 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 75 ms 6600 KB Output is correct
20 Correct 48 ms 6268 KB Output is correct
21 Correct 112 ms 6980 KB Output is correct
22 Correct 81 ms 5504 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 856 KB Output is correct
2 Correct 6 ms 808 KB Output is correct
3 Correct 10 ms 860 KB Output is correct
4 Correct 13 ms 860 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 7 ms 604 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 26 ms 860 KB Output is correct
11 Correct 32 ms 868 KB Output is correct
12 Correct 31 ms 860 KB Output is correct
13 Correct 7 ms 856 KB Output is correct
14 Correct 14 ms 860 KB Output is correct
15 Correct 10 ms 1116 KB Output is correct
16 Correct 12 ms 860 KB Output is correct
17 Correct 41 ms 6960 KB Output is correct
18 Correct 51 ms 6904 KB Output is correct
19 Correct 32 ms 5632 KB Output is correct
20 Correct 7 ms 860 KB Output is correct
21 Correct 8 ms 856 KB Output is correct
22 Correct 7 ms 600 KB Output is correct
23 Correct 9 ms 600 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 23 ms 5464 KB Output is correct
26 Correct 21 ms 4860 KB Output is correct
27 Correct 83 ms 5572 KB Output is correct
28 Correct 56 ms 5756 KB Output is correct
29 Correct 64 ms 6712 KB Output is correct
30 Correct 73 ms 6944 KB Output is correct
31 Correct 9 ms 860 KB Output is correct
32 Correct 7 ms 804 KB Output is correct
33 Correct 41 ms 5712 KB Output is correct
34 Correct 9 ms 604 KB Output is correct
35 Correct 32 ms 5468 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 20 ms 4844 KB Output is correct
39 Correct 20 ms 5400 KB Output is correct
40 Correct 110 ms 6752 KB Output is correct
41 Correct 52 ms 6480 KB Output is correct
42 Correct 109 ms 6720 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 1 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 75 ms 6600 KB Output is correct
50 Correct 48 ms 6268 KB Output is correct
51 Correct 112 ms 6980 KB Output is correct
52 Correct 81 ms 5504 KB Output is correct
53 Correct 41 ms 6640 KB Output is correct
54 Correct 65 ms 7012 KB Output is correct
55 Correct 39 ms 6672 KB Output is correct
56 Correct 8 ms 860 KB Output is correct
57 Correct 8 ms 868 KB Output is correct
58 Execution timed out 1012 ms 5772 KB Time limit exceeded
59 Halted 0 ms 0 KB -