Submission #47024

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
47024	2018-04-26 12:52:51	leejseo	Art Exhibition (JOI18_art)	C++17	100 / 100	293 ms	12540 KiB

art

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#include <stdio.h>
#include <utility>
#include <algorithm>
#include <vector>
using namespace std;
typedef long long lld;
typedef pair<lld, lld> pll;
lld ans;
int N;
int main(void){
  scanf("%d", &N);
  lld X, Y, S[N+1];
    pll U[N];
    S[0] = 0;
  for (int i=0; i<N; i++){
    scanf("%lld%lld", &X, &Y);
    U[i] = make_pair(X, Y);
  }
  sort(U, U+N);
  for (int i=0; i<N; i++){
    S[i+1] = S[i] + U[i].second;
  }
  Y = -(U[0].first);
  for (int i=1; i<=N; i++){
    X = S[i] - U[i-1].first;
    ans = max(ans, X - Y);
    if (i == N) break;
    Y = min(Y, S[i]-U[i].first);
  }
  printf("%lld", ans);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ~~~~~^~~~~~~~~~
art.cpp:16:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld", &X, &Y);
   ~~~~~^~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 50 / 50