Submission #38454401

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

int q;
set<long long> s;

int main() {
	scanf("%d", &q);
	for (int tt = 0; tt <= q; tt++) {
		int tmp = 1;
		if (tt != 0)
			scanf("%d", &tmp);
		long long ta, tb;
		scanf("%lld%lld", &ta, &tb);
		if (tmp == 1) {
			s.insert(ta - tb);
			s.insert(ta + tb);
		} else {
			long long ans = LLONG_MAX;
			auto it = s.lower_bound(ta);
			if (it != s.begin())
				ans = min(ans, ta - *prev(it));
			if (it != s.end())
				if (*it <= tb)
					ans = 0;
				else 
					ans = min(ans, *it - tb);
			printf("%lld\n", ans);
		}
	}
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:24:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wdangling-else]
   24 |    if (it != s.end())
      |       ^
./Main.cpp:9:7: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    9 |  scanf("%d", &q);
      |  ~~~~~^~~~~~~~~~
./Main.cpp:13:9: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   13 |    scanf("%d", &tmp);
      |    ~~~~~^~~~~~~~~~~~
./Main.cpp:15:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   15 |   scanf("%lld%lld", &ta, &tb);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Judge Result