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Submission #1024969

# Submission time Handle Problem Language Result Execution time Memory
1024969 2024-07-16T13:27:47 Z hqminhuwu Pyramid Base (IOI08_pyramid_base) C++14
51 / 100
 5000 ms 155108 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair <ll,ll> pll;
typedef pair <int,int> pii;
typedef pair <int,pii> piii;
 
#define forr(_a,_b,_c) for(int _a = (_b); _a <= (_c); ++_a)
#define ford(_a,_b,_c) for(int _a = (_b) + 1; _a --> (_c);)
#define forf(_a,_b,_c) for(int _a = (_b); _a < (_c); ++_a)
#define st first
#define nd second
#define pb push_back
#define mp make_pair
#define all(x) begin(x),end(x)
#define mask(i) (1LL << (i))
#define bit(x, i) (((x) >> (i)) & 1)
#define bp __builtin_popcountll
#define file "test"
 
template<class X, class Y>
    bool minz(X &x, const Y &y) {
        if (x > y) {
            x = y;
            return true;
        } return false;
    }
template<class X, class Y>
    bool maxz(X &x, const Y &y) {
        if (x < y) {
            x = y;
            return true;
        } return false;
    }
 
const int N = 1e6 + 5;
const ll oo = (ll) 1e16;
const ll mod = 1e9 + 7; // 998244353;
 
ll n, m, b, p;
 
namespace sub2{
    int tree[N * 4], lazy[N * 4], sz;
    vector <piii> add[2 * N], rem[2 * N];
    vector <int> co;
    
    void down (int i){
        if (!lazy[i]) return;
        forr (j, i << 1, (i << 1) | 1){
            //cout << i << " " << j << "\n";
            tree[j] += lazy[i];
            lazy[j] += lazy[i];
        }
        lazy[i] = 0;
    }
 
    void update(int i, int l, int r, int u, int v, int val){
        if (l > v || r < u) return;
        if (l >= u && r <= v){
            //cout << i << " " << l << " " << r << " " << val << "\n";
            tree[i] += val;
            lazy[i] += val;
            return;
        }
        down(i);
        int mid = (l + r) >> 1;
        update(i << 1, l, mid, u, v, val);
        update(i << 1 | 1, mid + 1, r, u, v, val);
        tree[i] = min(tree[i << 1], tree[i << 1 | 1]);
        //cout << i << " " << tree[i] << "\n";
    }
 
    int get (int i, int l, int r, int u, int v){
        if (u > r || v < l) return 2 * mod;
        if (l >= u && r <= v) return tree[i];
        down(i);
        int mid = (l + r) >> 1;
        return min(get(i << 1, l, mid, u, v), get(i << 1 | 1, mid + 1, r, u, v));
    }
 
    int calc(int len){
        if (!len) return 0;
        memset (tree, 0, sizeof tree);
        memset (lazy, 0, sizeof lazy); 
        int z = upper_bound(all(co), len) - co.begin();
        int res = 2 * mod;
        forr (i, 1, n){
          int flag = 0;
           // cout << i << ":\n";
            for (piii t : add[i]){
              	flag = 1; 
                int u = upper_bound(all(co), t.nd.nd + len - 1) - co.begin();
                int v = lower_bound(all(co), t.nd.st) - co.begin();
                //cout << "add " << t.nd.st << " " << t.nd.nd << " " << v << " " << u << " " << t.st << "\n";
                update(1, 1, m, t.nd.st, min(m, (ll)t.nd.nd + len - 1), t.st);
            }
            if (i >= len){
                for (piii t : rem[i - len]){
                    flag = 1;
                    int u = upper_bound(all(co), t.nd.nd + len - 1) - co.begin();
                    int v = lower_bound(all(co), t.nd.st) - co.begin() + 1;
                    //cout << "rem " << t.nd.st << " " << t.nd.nd << " " << v << " " << u << "\n";
                    update(1, 1, m, t.nd.st, min(m, (ll)t.nd.nd + len - 1), -t.st);
                }
            }
            if (i >= len && flag){

                res = min (res, get(1, 1, m, len, m));
                //cout << tree[1] << "\n";
            }
        }
        return res;
    }
    
    void solve(){
        forr (i, 1, p){
            int x, y, u, v, w;
            cin >> x >> y >> u >> v >> w;
            add[x].pb({w, {y, v}});
            rem[u].pb({w, {y, v}});
            co.pb(y);
            co.pb(v);
        }
        co.pb(m);
        sort(all(co));
        co.erase(unique(all(co)), co.end());
        sz = co.size();
        //cout << sz << "\n";
        // for (int u : co){
        //     cout << u << " ";
        // }
        // cout << "\n";
       // cout << calc(33541) << "\n";
        int l = 0, r = min(n, m);
        while (l < r){
            int mid = (l + r + 1) >> 1;
            if (calc(mid) <= b)
                l = mid;
            else r = mid - 1;
        }
 
         cout << l << "\n";
    }
}
 
namespace sub3{
    void solve(){
 
    }
}
 
int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
    #ifdef hqm
        freopen(file".inp", "r", stdin); freopen(file".ans", "w", stdout);
    #endif
 
    cin >> n >> m >> b >> p;
    if (b >= 0) sub2::solve();
    else sub3::solve();
 
    return 0;
}
/*
 
 
 
*/

Compilation message

pyramid_base.cpp: In function 'int sub2::calc(int)':
pyramid_base.cpp:93:21: warning: unused variable 'u' [-Wunused-variable]
   93 |                 int u = upper_bound(all(co), t.nd.nd + len - 1) - co.begin();
      |                     ^
pyramid_base.cpp:94:21: warning: unused variable 'v' [-Wunused-variable]
   94 |                 int v = lower_bound(all(co), t.nd.st) - co.begin();
      |                     ^
pyramid_base.cpp:101:25: warning: unused variable 'u' [-Wunused-variable]
  101 |                     int u = upper_bound(all(co), t.nd.nd + len - 1) - co.begin();
      |                         ^
pyramid_base.cpp:102:25: warning: unused variable 'v' [-Wunused-variable]
  102 |                     int v = lower_bound(all(co), t.nd.st) - co.begin() + 1;
      |                         ^
pyramid_base.cpp:86:13: warning: unused variable 'z' [-Wunused-variable]
   86 |         int z = upper_bound(all(co), len) - co.begin();
      |             ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 125532 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 125524 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 125528 KB Output is correct

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 75 ms 125524 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 125744 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 133 ms 125536 KB Output is correct
2 Correct 165 ms 125728 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 190 ms 125748 KB Output is correct
2 Correct 147 ms 125780 KB Output is correct

Subtask #8
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 90 ms 125780 KB Output is correct
2 Correct 131 ms 125776 KB Output is correct
3 Correct 110 ms 125976 KB Output is correct

Subtask #9
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 285 ms 126568 KB Output is correct
2 Correct 331 ms 127032 KB Output is correct
3 Correct 273 ms 126972 KB Output is correct

Subtask #10
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 518 ms 126928 KB Output is correct
2 Correct 132 ms 126928 KB Output is correct
3 Correct 152 ms 126412 KB Output is correct
4 Correct 747 ms 127692 KB Output is correct

Subtask #11
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 627 ms 127236 KB Output is correct
2 Correct 705 ms 127948 KB Output is correct
3 Incorrect 404 ms 128204 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #12
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 555 ms 127692 KB Output is correct
2 Correct 944 ms 128300 KB Output is correct
3 Correct 872 ms 128288 KB Output is correct
4 Correct 938 ms 128460 KB Output is correct
5 Correct 914 ms 128460 KB Output is correct
6 Incorrect 439 ms 128484 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #13
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5054 ms 138684 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #14
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5057 ms 144392 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #15
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5021 ms 155108 KB Time limit exceeded
2 Halted 0 ms 0 KB -