oj.uz

Submission #1103930

# Submission time Handle Problem Language Result Execution time Memory
1103930 2024-10-22T09:31:48 Z modwwe Tug of War (BOI15_tug) C++17
0 / 100
 3000 ms 262144 KB 
#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 = 1e18;
const int mod2 = 1e9 + 7;
const int  mod1 = 998244353;
int add(int x,int y)
{
    if(x+y>=mod2) 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;

};

ll 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;
int el = 19;

main()
{
    if(fopen(task".inp","r"))
    {
        fin(task);
        fou(task);
    }
    NHP
    /// cin>>s1;
///modwwe
    phongbeo();
    // checktime
}
vector<int> v[600001];
bool d[600001];
bitset<6000001>dp,dp2;
ic c[600001];
ib b[600001];
void dfs(int x,bool a,int y)
{
    d[x]=1;
    if(!a)
        s3+=c[x].c;
    s4+=c[x].c;
    if(c[x].a==y    )
    {
         dem++;
          if(dem==2){
                dem=0;
        b[++dem2]= {s3,s4-s3};
        return;}
    }
    if(!a)s2=c[x].b;
    else s2=c[x].a;
    for(auto f:v[s2])
        if(f!=x)
            dfs(f,1-a,y);
}
void phongbeo()
{
    cin>>n>>m;
    for(int i=1; i<=n*2; i++)
    {
        cin>>l>>r>>s2;
        c[i]= {l,r+n,s2};
        v[r+n].pb(i);
        v[l].pb(i);
        s5+=s2;
    }
    for(int i=1; i<=n*2; i++)
        if(!d[i])
        {
            dfs(i,0,c[i].a);
            s3=0;
            s4=0;
        }

        dp.set(0);
        for(int i=1;i<=dem2;i++){
         dp2=(dp<<b[i].a);
         dp=(dp<<b[i].b);
          dp=(dp|dp2);
         }
         s8=s5/2;
          if(s5%2==1)s8++;
 s6=dp._Find_next(s8-1);
 if(s6*2-s5<=m) cout<<"YES";
 else cout<<"NO";
}

Compilation message

tug.cpp:37:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   37 | const int inf = 1e18;
      |                 ^~~~
tug.cpp:70:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   70 | main()
      | ^~~~
tug.cpp: In function 'void dfs(int, bool, int)':
tug.cpp:99:21: warning: narrowing conversion of 's3' from 'long long int' to 'int' [-Wnarrowing]
   99 |         b[++dem2]= {s3,s4-s3};
      |                     ^~
tug.cpp:99:26: warning: narrowing conversion of '(s4 - s3)' from 'long long int' to 'int' [-Wnarrowing]
   99 |         b[++dem2]= {s3,s4-s3};
      |                        ~~^~~
tug.cpp: In function 'void phongbeo()':
tug.cpp:114:19: warning: narrowing conversion of '(((long long int)r) + n)' from 'long long int' to 'int' [-Wnarrowing]
  114 |         c[i]= {l,r+n,s2};
      |                  ~^~
tug.cpp:114:22: warning: narrowing conversion of 's2' from 'long long int' to 'int' [-Wnarrowing]
  114 |         c[i]= {l,r+n,s2};
      |                      ^~
tug.cpp:119:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  119 |     for(int i=1; i<=n*2; i++)
      |     ^~~
tug.cpp:127:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  127 |         dp.set(0);
      |         ^~
tug.cpp: In function 'int main()':
tug.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)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
tug.cpp:74:9: note: in expansion of macro 'fin'
   74 |         fin(task);
      |         ^~~
tug.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)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
tug.cpp:75:9: note: in expansion of macro 'fou'
   75 |         fou(task);
      |         ^~~

Subtask #1
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 21584 KB Output is correct
2 Correct 10 ms 21752 KB Output is correct
3 Correct 10 ms 21732 KB Output is correct
4 Correct 10 ms 21836 KB Output is correct
5 Correct 11 ms 21584 KB Output is correct
6 Correct 13 ms 21584 KB Output is correct
7 Correct 13 ms 21584 KB Output is correct
8 Correct 12 ms 21584 KB Output is correct
9 Correct 12 ms 21736 KB Output is correct
10 Correct 12 ms 21584 KB Output is correct
11 Correct 11 ms 21584 KB Output is correct
12 Correct 12 ms 21584 KB Output is correct
13 Correct 12 ms 21584 KB Output is correct
14 Correct 12 ms 21584 KB Output is correct
15 Correct 10 ms 21584 KB Output is correct
16 Correct 11 ms 21584 KB Output is correct
17 Correct 14 ms 21584 KB Output is correct
18 Correct 13 ms 21584 KB Output is correct
19 Correct 11 ms 21584 KB Output is correct
20 Correct 11 ms 21584 KB Output is correct
21 Runtime error 258 ms 262144 KB Execution killed with signal 9
22 Halted 0 ms 0 KB -

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 21584 KB Output is correct
2 Correct 10 ms 21752 KB Output is correct
3 Correct 10 ms 21732 KB Output is correct
4 Correct 10 ms 21836 KB Output is correct
5 Correct 11 ms 21584 KB Output is correct
6 Correct 13 ms 21584 KB Output is correct
7 Correct 13 ms 21584 KB Output is correct
8 Correct 12 ms 21584 KB Output is correct
9 Correct 12 ms 21736 KB Output is correct
10 Correct 12 ms 21584 KB Output is correct
11 Correct 11 ms 21584 KB Output is correct
12 Correct 12 ms 21584 KB Output is correct
13 Correct 12 ms 21584 KB Output is correct
14 Correct 12 ms 21584 KB Output is correct
15 Correct 10 ms 21584 KB Output is correct
16 Correct 11 ms 21584 KB Output is correct
17 Correct 14 ms 21584 KB Output is correct
18 Correct 13 ms 21584 KB Output is correct
19 Correct 11 ms 21584 KB Output is correct
20 Correct 11 ms 21584 KB Output is correct
21 Runtime error 258 ms 262144 KB Execution killed with signal 9
22 Halted 0 ms 0 KB -

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3044 ms 22608 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 21584 KB Output is correct
2 Correct 10 ms 21752 KB Output is correct
3 Correct 10 ms 21732 KB Output is correct
4 Correct 10 ms 21836 KB Output is correct
5 Correct 11 ms 21584 KB Output is correct
6 Correct 13 ms 21584 KB Output is correct
7 Correct 13 ms 21584 KB Output is correct
8 Correct 12 ms 21584 KB Output is correct
9 Correct 12 ms 21736 KB Output is correct
10 Correct 12 ms 21584 KB Output is correct
11 Correct 11 ms 21584 KB Output is correct
12 Correct 12 ms 21584 KB Output is correct
13 Correct 12 ms 21584 KB Output is correct
14 Correct 12 ms 21584 KB Output is correct
15 Correct 10 ms 21584 KB Output is correct
16 Correct 11 ms 21584 KB Output is correct
17 Correct 14 ms 21584 KB Output is correct
18 Correct 13 ms 21584 KB Output is correct
19 Correct 11 ms 21584 KB Output is correct
20 Correct 11 ms 21584 KB Output is correct
21 Runtime error 258 ms 262144 KB Execution killed with signal 9
22 Halted 0 ms 0 KB -