#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;
int mx_s_f = 0;
for(int i = mxn; i >= 1; i--){
res+=i*max(ans[i]-mx_s_f,0);
mx_s_f = max(mx_s_f,(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);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
30 ms |
39460 KB |
Output is correct |
2 |
Correct |
30 ms |
39344 KB |
Output is correct |
3 |
Correct |
30 ms |
39380 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
30 ms |
39472 KB |
Output is correct |
2 |
Correct |
28 ms |
39348 KB |
Output is correct |
3 |
Correct |
31 ms |
39508 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
30 ms |
39384 KB |
Output is correct |
2 |
Correct |
30 ms |
39424 KB |
Output is correct |
3 |
Correct |
31 ms |
39380 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
33 ms |
39388 KB |
Output is correct |
2 |
Correct |
34 ms |
39380 KB |
Output is correct |
3 |
Correct |
33 ms |
39444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
237 ms |
39380 KB |
Output is correct |
2 |
Correct |
233 ms |
39380 KB |
Output is correct |
3 |
Correct |
228 ms |
39380 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
31 ms |
39380 KB |
Output is correct |
2 |
Correct |
31 ms |
39424 KB |
Output is correct |
3 |
Correct |
31 ms |
39448 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
35 ms |
39392 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
53 ms |
39352 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
87 ms |
39380 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
250 ms |
39424 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |