제출 #483209

#제출 시각아이디문제언어결과실행 시간메모리
483209keertanGlobal Warming (CEOI18_glo)C++17
0 / 100
94 ms15940 KiB
#include <cstdio> #include <vector> #include <algorithm> using namespace std; typedef pair<long long, long long> pii; int N; vector<pii> candies; vector<long long> wagons; vector<pair<pii, int> > output; int main() { scanf("%d", &N); for (int i = 0; i < N; i++) { long long p, t; scanf("%lld%lld", &p, &t); candies.push_back(pii(p + t, t - p)); } sort(candies.begin(), candies.end()); for (int i = 0; i < N; i++) { long long a = candies[i].first, b = -candies[i].second; int pos = lower_bound(wagons.begin(), wagons.end(), b) - wagons.begin(); if (pos == (int) wagons.size()) { wagons.push_back(b); } else { wagons[pos] = b; } output.push_back(make_pair(pii((a + b) / 2, (a - b) / 2), pos + 1)); } printf("%d\n", wagons.size()); for (int i = 0; i < N; i++) { printf("%lld %lld %d\n", output[i].first.first, output[i].first.second, output[i].second); } return 0; }

컴파일 시 표준 에러 (stderr) 메시지

glo.cpp: In function 'int main()':
glo.cpp:28:10: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wformat=]
   28 | printf("%d\n", wagons.size());
      |         ~^     ~~~~~~~~~~~~~
      |          |                |
      |          int              std::vector<long long int>::size_type {aka long unsigned int}
      |         %ld
glo.cpp:11:6: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 | scanf("%d", &N);
      | ~~~~~^~~~~~~~~~
glo.cpp:14:6: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 | scanf("%lld%lld", &p, &t);
      | ~~~~~^~~~~~~~~~~~~~~~~~~~
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