Submission #211715

#	Time	Username	Problem	Language	Result	Execution time	Memory
211715		goodboy	Potatoes and fertilizers (LMIO19_bulves)	C++14	0 / 100	19 ms	16256 KiB

bulves

#include <stdio.h> 
#include <math.h>
using namespace std;
 
int fertiliser[1000005],potatoes[1000005];
 
int main() {
    int n , a , b;
    scanf("%d",&n);
	int pot = 0, fert = 0;
    for (int i = 1; i <= n; i++) {
    	scanf("%d%d",&a,&b);
      	for (int j = 1; j <= a; j++) {
        	fert++;
          	fertiliser[fert] = i;
		}
      	for (int j = 1; j <= b; j++) {
          	pot++;
          	potatoes[pot] = i;
        }
  	}
  	long long ans = 0;
  	for(int i = 1; i <= pot; i++)ans += abs(fertiliser[i] - potatoes[i]);
  	printf("%lld\n",ans);
}

Compilation message (stderr)

bulves.cpp: In function 'int main()':
bulves.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
bulves.cpp:12:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
      scanf("%d%d",&a,&b);
      ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 0 / 24
• Subtask 2: 0 / 10
• Subtask 3: 0 / 20
• Subtask 4: 0 / 10
• Subtask 5: 0 / 36