제출 #1128925

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1128925		modwwe	회전 (JOI12_rotate)	C++20	0 / 100	2 ms	2800 KiB

rotate

#include<bits/stdc++.h>
#define int  long long
#define ld long double
#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".ans","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 = 1e9;
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
{
    int a, 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,s11,t,lim,w,l,r;
int kk;
int el = 19;
ld k1,k2,k3;
main()
{
    if(fopen(task".inp","r"))
    {
        fin(task);
        fou(task);
    }
    NHP
    /// cin>>s1;
    //  modwwe
    phongbeo(),down
    // checktime
}
bool cmp(ib a,ib b)
{
    return a.a<b.a;
}
deque<ib> s;
vector<ib> v[100007];
int c[3];
ib a[100007];
struct segtree
{
    int t[400007];
    int t2[400007];
    int t3[400007];
    int lazy[400007];
    int sz[400007];
    void apply(int node,int x)
    {
        t[node]=x*sz[node];
        t2[node]=x;
        t3[node]=x;
        lazy[node]=x;
    }
    int mer(int x,int y)
    {
        return x+y;
    }
    void ff(int x)
    {
        for(int i=x*2; i<=x*2+1; i++)
            apply(i,lazy[x]);
        lazy[x]=0;
    }
    void build(int node,int l,int r)
    {
        sz[node]=r-l+1;
        if(l==r) return;
        int mid=l+r>>1;
        build(node<<1,l,mid);
        build(node<<1|1,mid+1,r);
    }
    void upd(int node,int l,int r,int l1,int r1,int x)
    {
        if(l>r1||r<l1||t2[node]>=x) return;
        if(l>=l1&&r<=r1&&t3[node]<=x)
        {
            apply(node,x);
            return;
        }
        if(lazy[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]=mer(t[node<<1],t[node<<1|1]);
        t2[node]=min(t2[node<<1],t2[node<<1|1]);
        t3[node]=max(t3[node<<1],t3[node<<1|1]);
    }
} st;
void phongbeo()
{
    cin>>n;
    for(int i=1; i<=n; i++)
    {
        char x;
        cin>>l>>x;
        if(x=='B')r=0;
        else if(x=='G')r=1;
        else r=2;
        a[i]= {l,r};
    }
    sort(a+1,a+1+n,cmp);
    for(int i=1; i<=n; i++)
    {
        s.push_back({a[i].a,a[i].b});
        c[a[i].b]++;
        while(s.back().a>=s.front().a*2)
        {
            c[s.front().b]--;
            s.pop_front();
        }
        v[c[0]].pb({c[1],c[2]});
    }
    st.build(1,0,n);
    for(int i=n; i>=0; --i)
    {
        for(auto x:v[i])st.upd(1,0,n,0,x.a,x.b+1);
        s4+=st.t[1];
    }
    if(s4!=0)s4--;
    cout<<s4;
}

컴파일 시 표준 에러 (stderr) 메시지

rotate.cpp:75:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   75 | main()
      | ^~~~
rotate.cpp: In function 'int main()':
rotate.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)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
rotate.cpp:79:9: note: in expansion of macro 'fin'
   79 |         fin(task);
      |         ^~~
rotate.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".ans","w",stdout)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
rotate.cpp:80:9: note: in expansion of macro 'fou'
   80 |         fou(task);
      |         ^~~

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