제출 #74546

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
74546		ZZangZZang	Hokej (COCI17_hokej)	C++17	72 / 120	184 ms	6832 KiB

hokej

#include <cstdio>
#include <vector>
#include <algorithm>
#include <queue>
#include <cstring>
#include <functional>
#include <string>

using namespace std;
struct Player {
	int idx, K, I;
	bool operator<(Player const& rhs) const {
		return K > rhs.K;
	}
} pls[500000];
struct Subst {
	int X, A, B;
	Subst(int X, int A, int B) : X(X), A(A), B(B) {}
	bool operator<(Subst const& rhs) const {
		return X < rhs.X;
	}
};
int M, N;

int main()
{
	int i, j;
	scanf("%d%d", &M, &N);
	for(int i=0; i<N; ++i) {
		int K, I;
		scanf("%d %d", &K, &I);
		pls[i].idx = i+1;
		pls[i].K = K;
		pls[i].I = I;
	}
	sort(pls, pls+N);

	long long Z = 0LL;
	vector<int> starters;
	vector<Subst> substs;

	int remI = pls[0].I;
	i=0;
	for(int _=0; _<6; ++_) {
		int lastidx = pls[i].idx;

		starters.push_back(lastidx);
		int tm = remI;
		if(tm > M) tm = M;
		Z += 1LL*tm*pls[i].K;

		j=i;
		int I, K, curidx;
		I = tm;
		while(tm < M) {
			++j;
			I = pls[j].I;
			K = pls[j].K;
			int curidx = pls[j].idx;

			if(I > M-tm) I = M-tm;
			substs.push_back(Subst(tm, lastidx, curidx));
			Z += 1LL*I*K; 
			tm += I;
			lastidx = curidx;
		}

		remI = pls[j].I - I;
		if(remI == 0) {
			++j;
			remI = pls[j].I;
		}
		i = j;
	}
	printf("%lld\n", Z);
	for(i=0; i<6; ++i) {
		printf("%d ", starters[i]);
	}
	puts("");
	sort(substs.begin(), substs.end());
	int sz = substs.size();
	printf("%d\n", sz);
	for(i=0; i<sz; ++i) {
		int X, A, B;
		X = substs[i].X;
		A = substs[i].A;
		B = substs[i].B;
		printf("%d %d %d\n", X, A, B);
	}
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

hokej.cpp: In function 'int main()':
hokej.cpp:53:13: warning: unused variable 'curidx' [-Wunused-variable]
   int I, K, curidx;
             ^~~~~~
hokej.cpp:28:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &M, &N);
  ~~~~~^~~~~~~~~~~~~~~~
hokej.cpp:31:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &K, &I);
   ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 72 / 120