Submission #137598

#	Time	Username	Problem	Language	Result	Execution time	Memory
137598		khsoo01	Coins (BOI06_coins)	C++11	100 / 100	120 ms	4256 KiB

coins

#include<bits/stdc++.h>
using namespace std;

const int N = 500005;

int n, m, a[N], b[N], ans1, ans2;

int main()
{
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;i++) {
		scanf("%d%d",&a[i],&b[i]);
	}
	a[n+1] = m;
	for(int i=1;i<=n;i++) {
		if(b[i]) continue;
		if(ans2 + a[i] < a[i+1]) {
			ans1++;
			ans2 += a[i];
		}
	}
	printf("%d\n%d\n", ans1, m-max(1, ans2));
}

Compilation message (stderr)

coins.cpp: In function 'int main()':
coins.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~
coins.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&a[i],&b[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100