제출 #1105734

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1105734		modwwe	Fuel Station (NOI20_fuelstation)	C++17	100 / 100	198 ms	54708 KiB

FuelStation

#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC optimize("conserve-stack")
#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(i) (1<<i)
#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 = 1e9;
int mod2 = 1e6+3;
const int  mod1 = 998244353;
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
{
    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,limit,w,l,r,last,root;
int kk,invf;
int el = 19;

main()
{
    if(fopen(task".inp","r"))
    {
        fin(task);
        fou(task);
    }
    NHP
    /// cin>>s1;
///modwwe
    phongbeo();
    // checktime
}
ic a[300001];
vector<ic> v;
struct IT
{
    int t[1200001];
    int t2[1200001];
    void ff(int x)
    {
        for(int i=x*2; i<=x*2+1; i++)
        {
            t[i]+=t2[x];
            t2[i]+=t2[x];
        }
        t2[x]=0;
    }
    void build(int node,int l,int r )
    {
        if(l==r)
        {
            t[node]=-a[l].a;
            return;
        }
        int mid=l+r>>1;
        build(node<<1,l,mid);
        build(node<<1|1,mid+1,r);
        t[node]=min(t[node<<1],t[node<<1|1]);
    }
    void upd(int node,int l,int r,int l1,int r1,int x)
    {
        if(l>r1||r<l1) return;
        if(l>=l1&&r<=r1)
        {
            t[node]+=x;
            t2[node]+=x;
            return;
        }
        if(t2[node]!=0)ff(node);
        int mid=l+r>>1;
        upd(node<<1,l,mid,l1,r1,x);
        upd(node<<1|1,mid+1,r,l1,r1,x);
        t[node]=min(t[node<<1],t[node<<1|1]);
    }
}st;
bool cmp(ic a,ic b)
 {
     return a.a<b.a;
 }
void phongbeo()
{
    cin>>n>>m;
    for(int i=1; i<=n; i++)
        cin>>a[i].a>>a[i].b>>a[i].c,
        swap(a[i].b,a[i].c);
    n++;
    a[n].a=m;
    sort(a+1,a+1+n,cmp);
        st.build(1,1,n);
        for(int i=1;i<=n-1;i++){
            st.upd(1,1,n,i+1,n,a[i].c),
            v.pb({a[i].b,a[i].c,i});
            }
 sort(v.begin(),v.end(),cmp);
 for(int i=0;i<v.size();i++)
 {
     s8=st.t[1];
     if(v[i].a+s8>=0)
     {
         cout<<-s8;
         return;
     }
     st.upd(1,1,n,v[i].c+1,n,-v[i].b);
 }
 cout<<m;
}

컴파일 시 표준 에러 (stderr) 메시지

FuelStation.cpp:71:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   71 | main()
      | ^~~~
FuelStation.cpp: In member function 'void IT::build(long long int, long long int, long long int)':
FuelStation.cpp:106:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  106 |         int mid=l+r>>1;
      |                 ~^~
FuelStation.cpp: In member function 'void IT::upd(long long int, long long int, long long int, long long int, long long int, long long int)':
FuelStation.cpp:121:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  121 |         int mid=l+r>>1;
      |                 ~^~
FuelStation.cpp: In function 'void phongbeo()':
FuelStation.cpp:146:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<ic>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  146 |  for(int i=0;i<v.size();i++)
      |              ~^~~~~~~~~
FuelStation.cpp: In function 'int main()':
FuelStation.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 fin(x) freopen(x".inp","r",stdin)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
FuelStation.cpp:75:9: note: in expansion of macro 'fin'
   75 |         fin(task);
      |         ^~~
FuelStation.cpp:14:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 | #define fou(x) freopen(x".out","w",stdout)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
FuelStation.cpp:76:9: note: in expansion of macro 'fou'
   76 |         fou(task);
      |         ^~~

• Subtask 1: 7 / 7
• Subtask 2: 13 / 13
• Subtask 3: 17 / 17
• Subtask 4: 12 / 12
• Subtask 5: 19 / 19
• Subtask 6: 11 / 11
• Subtask 7: 21 / 21