oj.uz

Submission #483271

# Submission time Handle Problem Language Result Execution time Memory
483271 2021-10-28T12:05:50 Z keertan Global Warming (CEOI18_glo) C++17
0 / 100
 98 ms 16328 KB 
#include <cstdio>
#include <vector>
#include <algorithm>
#include "bits/stdc++.h"
using namespace std;
typedef pair<long long, long long> pii;
int N;
vector<pii> candies;
vector<long long> wagons;
vector<pair<pii, int> > output;
int main() {
    scanf("%d", &N);
    for (int i = 0; i < N; i++) {
        long long p, t;
        scanf("%lld%lld", &p, &t);
        candies.push_back(pii(p + t, t - p));
    }
    sort(candies.begin(), candies.end());
    for (int i = 0; i < N; i++) {
        long long a = candies[i].first, b = -  candies[i].second;
        int pos = lower_bound(wagons.begin(), wagons.end(), b) - wagons.begin();
        if (pos == (int) wagons.size()) {
            wagons.push_back(b);
        } else {
             wagons[pos] = b;
        }
        
        output.push_back(make_pair(pii((a + b) / 2, (a - b) / 2), pos + 1));
    }
    cout<< wagons.size()<<"\n";
    
    for (int i = 0; i < N; i++) {
        cout<<output[i].first.first<<" "<< output[i].first.second<<" "<< output[i].second<<"\n";
    }
    return 0;
}

Compilation message

glo.cpp: In function 'int main()':
glo.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     scanf("%d", &N);
      |     ~~~~~^~~~~~~~~~
glo.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |         scanf("%lld%lld", &p, &t);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 296 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 296 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 296 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 98 ms 16328 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 4528 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 54 ms 8488 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 296 KB Output isn't correct
2 Halted 0 ms 0 KB -