Submission #1125107

#	Time	Username	Problem	Language	Result	Execution time	Memory
1125107		modwwe	날다람쥐 (JOI14_ho_t4)	C++20	100 / 100	222 ms	39600 KiB

2014_ho_t4

#pragma GCC optimize("Ofast,unroll-loops")
#include<bits/stdc++.h>
#define int   long long
#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#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".out","w",stdout)
#define pb push_back
#define mask(k) (1<<k)
#define mp make_pair
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
#define getchar_unlocked getchar

inline int scan()
{
    char c = getchar_unlocked();
    int x = 0;
    while (c < '0' || c > '9')
    {
        c = getchar_unlocked();
    }
    while (c >= '0' && c <= '9')
    {
        x = (x << 1) + (x << 3) + c - '0';
        c = getchar_unlocked();
    }
    return x;
}
void phongbeo();
const int inf = 1e16;
const ll mod2 = 1e9+7;
const int  mod1 = 998244353;
const ll base=67;
int add(int x,int y)
{
    if(x+y>=mod2) x-=mod2;
    if(x+y<0)x+=mod2;
    return x+y;
}
struct icd
{
    long double a;
    int b;
};
struct ib
{
    int a;
    int b;
};
struct ic
{
    ll a;
    int  b, c;
};
struct id
{
    int a, b, c, d;
};
struct ie
{
    int a, b, c, d, e;

};
int n, m, s1, s2, s4, s3, sf, k, s5, s6, mx, s7, s8, s9, mx2, res, dem2 = 0, dem = 0, s33, dem3, dem4, mid, l2, r2, center;
int  i, s10, s12,k1,k2,k3,s11,lim,w,l,r ;
int kk;
int el = 19;
main()
{
    if(fopen(task".inp","r"))
    {
        fin(task);
        fou(task);
    }
    NHP
    ///  cin>>s1;
    // modwwe
    phongbeo();
//   checktime
}
int h[100001];
int dist[100001];
vector<ic> v[100001];
struct cmp
{
    bool operator()(ic a,ic b)
    {
        if(a.a==b.a) return a.b>b.b;
        return a.a<b.a;
    }
};
priority_queue<ic,vector<ic>,cmp>p;
void phongbeo()
{
    cin>>n>>m>>k;
    for(int i=1; i<=n; i++)
        cin>>h[i],dist[i]=-1;
    for(int i=1; i<=m; i++)
    {
        cin>>l>>r>>s2;
        v[l].pb({r,s2});
        v[r].pb({l,s2});
    }
    p.push({k,0,1});
    while(!p.empty())
    {
        ic x=p.top();
        p.pop();
        if(dist[x.c]!=-1) continue;
        dist[x.c]=x.b+h[x.c]-x.a;
        for(auto f:v[x.c])
        {
            if(dist[f.a]!=-1) continue;
            if(x.a<=f.b)
            {
                if(f.b<=h[x.c])
                    p.push({0,x.b+f.b-x.a+f.b,f.a});
            }
            else
            {
                p.push({min(x.a-f.b,h[f.a]),x.b+max(f.b,x.a-h[f.a]),f.a});
            }
        }
    }
    cout<<dist[n];
}

Compilation message (stderr)

2014_ho_t4.cpp:75:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   75 | main()
      | ^~~~
2014_ho_t4.cpp: In function 'int main()':
2014_ho_t4.cpp:12:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 | #define fin(x) freopen(x".inp","r",stdin)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
2014_ho_t4.cpp:79:9: note: in expansion of macro 'fin'
   79 |         fin(task);
      |         ^~~
2014_ho_t4.cpp:13:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 | #define fou(x) freopen(x".out","w",stdout)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
2014_ho_t4.cpp:80:9: note: in expansion of macro 'fou'
   80 |         fou(task);
      |         ^~~

• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 50 / 50