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Submission #596771

# Submission time Handle Problem Language Result Execution time Memory
596771 2022-07-15T03:54:48 Z serize Distributing Candies (IOI21_candies) C++17
3 / 100
 112 ms 8684 KB 
#include "candies.h"
#include <bits/stdc++.h>
#include <cassert>
#include <cstdio>
#include <vector>
     
using namespace std;
const int MAX = 3e5+2;
     
vector<int> abi(MAX);
     
void add(int k, int v){
    while(k < MAX){
        abi[k] += v;
        k += k&(-k);
    }
}
     
int read(int k){
    int s = 0;
    while(k > 0){
        s += abi[k];
        k -= k&(-k);
    }
    return s;
}
     
std::vector<int> distribute_candies(std::vector<int> c, std::vector<int> l,
                                    std::vector<int> r, std::vector<int> v) {
    int n = c.size();
    int q = l.size();
    std::vector<int> s(n);
    if(q <= 2000){
        for(int i = 0; i < q; i++){
            for(int j = l[i]; j <= r[i]; j++){
                if(v[i] < 0) s[j] = max(0,s[j]+v[i]);
                else s[j] = min(c[j],s[j]+v[i]);
            }
        }
    }
    else{
        for(int i = 0; i < q; i++){
            add(l[i]+1,v[i]);
            add(r[i]+2,-v[i]);
        }
        for(int i = 0; i < n; i++){
            s[i] = min(c[i],read(i+1));
        }
    }
    return s;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1364 KB Output is correct
2 Correct 1 ms 1480 KB Output is correct
3 Correct 2 ms 1492 KB Output is correct
4 Correct 2 ms 1492 KB Output is correct
5 Correct 4 ms 1492 KB Output is correct

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 112 ms 8684 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Incorrect 60 ms 6328 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Incorrect 62 ms 6396 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1364 KB Output is correct
2 Correct 1 ms 1480 KB Output is correct
3 Correct 2 ms 1492 KB Output is correct
4 Correct 2 ms 1492 KB Output is correct
5 Correct 4 ms 1492 KB Output is correct
6 Incorrect 112 ms 8684 KB Output isn't correct
7 Halted 0 ms 0 KB -