Submission #1004724

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Source Code Expand

#include "bits/stdc++.h"
using namespace std;
#define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i))
#define rer(i,l,u) for(int (i)=(int)(l);(i)<=(int)(u);++(i))
#define reu(i,l,u) for(int (i)=(int)(l);(i)<(int)(u);++(i))
static const int INF = 0x3f3f3f3f; static const long long INFL = 0x3f3f3f3f3f3f3f3fLL;
typedef vector<int> vi; typedef pair<int, int> pii; typedef vector<pair<int, int> > vpii; typedef long long ll;
template<typename T, typename U> static void amin(T &x, U y) { if(y < x) x = y; }
template<typename T, typename U> static void amax(T &x, U y) { if(x < y) x = y; }

int main() {
	int N;
	while(~scanf("%d", &N)) {
		const int D = 86400, E = 10800;
		int cur = 0;
		vector<int> cnt(D, 0);
		rep(i, N) {
			int a; int b;
			scanf("%d%d", &a, &b);
			(cur += a) %= D;
			++ cnt[cur];
			(cur += b) %= D;
		}
		vector<int> sum(D * 2 + 1);
		rep(i, D * 2)
			sum[i + 1] = sum[i] + cnt[i % D];
		int ans = 0;
		rep(i, D)
			amax(ans, sum[i + E + 1] - sum[i]);
		printf("%d\n", ans);
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:19:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d%d", &a, &b);
                         ^

Judge Result