Submission #536670

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Source Code Expand

#include <cstdio>
#include <queue>
using namespace std;

int main(){
	int n,m,x,y;
	scanf("%d %d %d %d", &n, &m, &x, &y);
	int buf;
	queue<int> a,b;
	for(int i = 0; i < n; i++){
		scanf("%d", &buf);
		a.push(buf);
	}
	for(int i = 0; i < m; i++){
		scanf("%d", &buf);
		b.push(buf);
	}
	bool ina=true;
	long time=0,cnt=0;
	while((ina && a.size()) || (!ina && b.size())){
		int dept = ina ? a.front() : b.front();
		if(ina){ a.pop(); }else{ b.pop(); }
		if(dept < time){ continue; }
		time = dept + (ina ? x : y);
		ina = !ina;
		cnt += ina ? 1 : 0;
	}
	printf("%ld", cnt);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d %d", &n, &m, &x, &y);
                                      ^
./Main.cpp:11:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &buf);
                    ^
./Main.cpp:15:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &buf);
                    ^

Judge Result