Submission #21835

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
21835	2017-04-26 09:14:38	ulna	Divide and conquer (IZhO14_divide)	C++11	100 / 100	96 ms	10572 KiB

divide

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#include <bits/stdc++.h>
using namespace std;
// why am I so weak
int n;
long long x[100055], g[100055], d[100055];
typedef pair<long long, int> P;
#define ft first
#define sd second
int main() {
  // sigma(ei ... ej) >= x[j] - x[i]
  // e[j] - e[i - 1] >= x[j] - x[i]
  // x[i] - e[i - 1] >= x[j] - e[j]
  
  scanf("%d", &n);
  for (int i = 0; i < n; i++) {
    scanf("%lld %lld %lld", &x[i], &g[i], &d[i]);
    if (i) {
      g[i] += g[i - 1];
      d[i] += d[i - 1];
    }
  }
  set<P> s;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

divide.cpp: In function 'int main()':
divide.cpp:19:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
divide.cpp:22:47: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld %lld", &x[i], &g[i], &d[i]);
                                               ^

• Subtask 1: 17 / 17
• Subtask 2: 31 / 31
• Subtask 3: 52 / 52