Submission #2228300
Source Code Expand
#include <iostream> #include <vector> #include <algorithm> #include <cmath> #include <queue> #include <limits> #include <map> #define REP(i,n) for(long (i)=0;(i)<(n);(i)++) #define REPI(i,a,b) for(long (i)=(a);(i)<(b);(i)++) #define INF numeric_limits<double>::infinity() constexpr long MOD = 1e9 + 7; using namespace std; using P = pair<long, long>; using VI = vector<long>; int main() { vector<P> v; long n, k; cin >> n >> k; REP(i,n) { long a, b; cin >> a >> b; v.push_back(P(a,b)); } sort(v.begin(), v.end()); int i = 0; long cnt = 0; while (cnt < k) { cnt += v[i].second; i++; } i--; cout << v[i].first << endl; }
Submission Info
Submission Time | |
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Task | C - Big Array |
User | xuzijian629 |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 748 Byte |
Status | AC |
Exec Time | 67 ms |
Memory | 2420 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | ||||
Status |
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Set Name | Test Cases |
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Sample | sample_01.txt, sample_02.txt |
All | sample_01.txt, sample_02.txt, subtask_1_1.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_2.txt, subtask_1_3.txt, subtask_1_4.txt, subtask_1_5.txt, subtask_1_6.txt, subtask_1_7.txt, subtask_1_8.txt, subtask_1_9.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 1 ms | 256 KB |
sample_02.txt | AC | 1 ms | 256 KB |
subtask_1_1.txt | AC | 1 ms | 256 KB |
subtask_1_10.txt | AC | 67 ms | 2420 KB |
subtask_1_11.txt | AC | 67 ms | 2420 KB |
subtask_1_12.txt | AC | 64 ms | 2420 KB |
subtask_1_13.txt | AC | 60 ms | 2420 KB |
subtask_1_14.txt | AC | 62 ms | 2420 KB |
subtask_1_15.txt | AC | 65 ms | 2420 KB |
subtask_1_2.txt | AC | 4 ms | 384 KB |
subtask_1_3.txt | AC | 22 ms | 892 KB |
subtask_1_4.txt | AC | 42 ms | 1400 KB |
subtask_1_5.txt | AC | 65 ms | 2420 KB |
subtask_1_6.txt | AC | 1 ms | 256 KB |
subtask_1_7.txt | AC | 1 ms | 256 KB |
subtask_1_8.txt | AC | 5 ms | 512 KB |
subtask_1_9.txt | AC | 29 ms | 1400 KB |