제출 #1127413

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1127413		modwwe	Alternating Heights (CCO22_day1problem1)	C++20	25 / 25	264 ms	5104 KiB

Main

#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 task2 "ftree"
#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 = 1e14;
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,k1,k2,k3,s11,lim,w,l,r,ans ;
int kk;
int el = 19;
main()
{
    if(fopen(task2".inp","r"))
    {
        fin(task2);
        fou(task2);
    }
    if(fopen(task".inp","r"))
    {
        fin(task);
        fou(task);
    }
    NHP
    /// cin>>s1;
    //modwwe
    phongbeo();
    // checktime
}
vector<int> v[3001];
int c[3001];
int a[3001];
int pos[3001];
bool de=0;
void dfs(int x)
{
    c[x]=1;
    for(auto f:v[x])
    {
        if(c[f]==1)
        {
            de=0;
        }
        if(c[f]) continue;
        dfs(f);
    }
    c[x]=2;
}
bool check(int x,int y)
{
    for(int i=1; i<=k; i++)
        c[i]=0,v[i].clear();
    for(int i=x; i<=y; i+=2)
    {
        if(i!=x)v[a[i]].pb(a[i-1]);
        if(i!=y)v[a[i]].pb(a[i+1]);
    }
    de=1;
    for(int i=1; i<=k; i++)
        if(!c[i])
            dfs(i);
    return de;
}
void phongbeo()
{
    cin>>n>>k>>m;
    for(int i=1; i<=n; i++)
        cin>>a[i];
    l=1;
    for(int i=1; i<=n; i++)
    {
        while(!check(l,i))l++;
        pos[i]=l;
    }
    for(int i=1; i<=m; i++)
    {
        cin>>l>>r;
        if(pos[r]<=l) cout<<"YES";
        else cout<<"NO";
        down
    }
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp:37:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+14' to '2147483647' [-Woverflow]
   37 | const int inf = 1e14;
      |                 ^~~~
Main.cpp:74:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   74 | main()
      | ^~~~
Main.cpp: In function 'int main()':
Main.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)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
Main.cpp:78:9: note: in expansion of macro 'fin'
   78 |         fin(task2);
      |         ^~~
Main.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)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
Main.cpp:79:9: note: in expansion of macro 'fou'
   79 |         fou(task2);
      |         ^~~
Main.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)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
Main.cpp:83:9: note: in expansion of macro 'fin'
   83 |         fin(task);
      |         ^~~
Main.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)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
Main.cpp:84:9: note: in expansion of macro 'fou'
   84 |         fou(task);
      |         ^~~

• Subtask 1: 4 / 4
• Subtask 2: 6 / 6
• Subtask 3: 7 / 7
• Subtask 4: 8 / 8