oj.uz

Submission #636972

# Submission time Handle Problem Language Result Execution time Memory
636972 2022-08-30T22:08:24 Z Metal_Sonic Unija (COCI17_unija) C++17
100 / 100
 251 ms 54432 KB 
#include <bits/stdc++.h>
#include<ext/pb_ds/tree_policy.hpp>
#include<ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;
template<class T> using indexed_set = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;
#define ll long long
#define sz(x) (int)(x).size()
#define all(x) x.begin() , x.end()
void Sonic(string name = "") {
    ios_base::sync_with_stdio(false); cin.tie(nullptr);
    if(sz(name)){
        freopen((name+".in").c_str(), "r", stdin);
        freopen((name+".out").c_str(), "w", stdout);
    }
}
int xd[] = {0, 0, 1, -1, 1, 1, -1, -1};
int yd[] = {1, -1, 0, 0, 1, -1, 1, -1};
const int mxn = 1e7+5;
void run_test_case(){
    int n;cin>>n;
    vector<int>ans(mxn,0);
    for(int i = 0; i < n; i++){
        int x,y;cin>>x>>y;
        ans[x/2]=max(ans[x/2],y);
    }
    ll res = 0;
    for(int i = mxn; i >= 1; i--){
       ans[i] = max(ans[i],ans[i+1]);
       res+=ans[i];
    }
    cout<<res*2;
}
int main(){
    Sonic();
    int T = 1;
    //cin>>T;
    while(T--){
        run_test_case();
    }
    return 0;
}

Compilation message

unija.cpp: In function 'void Sonic(std::string)':
unija.cpp:14:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |         freopen((name+".in").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
unija.cpp:15:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |         freopen((name+".out").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 39380 KB Output is correct
2 Correct 49 ms 39360 KB Output is correct
3 Correct 49 ms 39432 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 39432 KB Output is correct
2 Correct 47 ms 39380 KB Output is correct
3 Correct 50 ms 39384 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 39392 KB Output is correct
2 Correct 48 ms 39424 KB Output is correct
3 Correct 47 ms 39388 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 39412 KB Output is correct
2 Correct 51 ms 39380 KB Output is correct
3 Correct 50 ms 39380 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 246 ms 39380 KB Output is correct
2 Correct 222 ms 39408 KB Output is correct
3 Correct 251 ms 39380 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 39444 KB Output is correct
2 Correct 48 ms 39380 KB Output is correct
3 Correct 48 ms 39400 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 39456 KB Output is correct
2 Correct 56 ms 39784 KB Output is correct
3 Correct 53 ms 39740 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 39412 KB Output is correct
2 Correct 63 ms 40716 KB Output is correct
3 Correct 63 ms 40844 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 39448 KB Output is correct
2 Correct 96 ms 43408 KB Output is correct
3 Correct 98 ms 43416 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 237 ms 39380 KB Output is correct
2 Correct 250 ms 54432 KB Output is correct
3 Correct 246 ms 54348 KB Output is correct