oj.uz

답안 #1065334

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1065334 2024-08-19T06:23:50 Z 김은성(#11116) 푸드 코트 (JOI21_foodcourt) C++17
0 / 100
 272 ms 18080 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll INF = 3.1557e18;
ll mn[1<<19], mn2[1<<19], lazy[1<<19];
void mergenode(int v){
	if(mn[2*v] < mn[2*v+1]){
		mn[v] = mn[2*v];
		mn2[v] = min(mn2[2*v], mn[2*v+1]);
	}
	else if(mn[2*v] > mn[2*v+1]){
		mn[v] = mn[2*v+1];
		mn2[v] = min(mn2[2*v+1], mn[2*v]);
	}
	else{
		mn[v] = mn[2*v];
		mn2[v] = min(mn2[2*v], mn2[2*v+1]);
	}
}
void propagate_lazy(int v, ll val){
	lazy[2*v] += val;
	lazy[2*v+1] += val;
}
void dolazy(int v, bool op){
	assert(mn[v] < mn2[v]);
	mn[v] = max(mn[v] + lazy[v], 0ll);
	mn2[v] += lazy[v];
	if(!op)
		propagate_lazy(v, lazy[v]);
	lazy[v] = 0;
}
void update(int v, int l, int r, int s, int e, ll d){
	dolazy(v, l==r);
	if(e<l || r<s)
		return;
	if(s<=l && r<=e){
		if(l==r){
			mn[v] = max(mn[v] + d, 0ll);
			mn2[v] = INF;
			return;
		}
		else if(mn[v] > -d){
			mn[v] += d;
			mn2[v] += d;
			propagate_lazy(v, d);
			return;
		}
		else if(mn2[v] > -d){
			mn[v] = 0;
			mn2[v] += d;
			propagate_lazy(v, d);
			return;
		}
	}
	int mid = (l+r)/2;
	update(2*v, l, mid, s, e, d);
	update(2*v+1, mid+1, r, s, e, d);
	mergenode(v);
}
ll pointvalue(int v, int l, int r, int idx){
	dolazy(v, l==r);
	if(l==r)
		return mn[v];
	int mid = (l+r)/2;
	if(idx <= mid)
		return pointvalue(2*v, l, mid, idx);
	return pointvalue(2*v+1, mid+1, r, idx);
}
int main(){
	int n, m, q, i, type, l, r, c, a;
	ll k, b;
	scanf("%d %d %d", &n, &m, &q);
	assert(m==1);
	memset(mn2, 63, sizeof(mn2));
	for(i=1; i<=q; i++){
		scanf("%d", &type);
		if(type==1){
			scanf("%d %d %d %lld", &l, &r, &c, &k);
			update(1, 1, n, l, r, k);
		}
		else if(type==2){
			scanf("%d %d %lld", &l, &r, &k);
			update(1, 1, n, l, r, -k);
		}
		else{
			scanf("%d %lld", &a, &b);
			if(pointvalue(1, 1, n, a) >= b)
				printf("1\n");
			else
				printf("0\n");
		}
	}
	return 0;
}

Compilation message

foodcourt.cpp: In function 'int main()':
foodcourt.cpp:72:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   72 |  scanf("%d %d %d", &n, &m, &q);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
foodcourt.cpp:76:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   76 |   scanf("%d", &type);
      |   ~~~~~^~~~~~~~~~~~~
foodcourt.cpp:78:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   78 |    scanf("%d %d %d %lld", &l, &r, &c, &k);
      |    ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
foodcourt.cpp:82:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   82 |    scanf("%d %d %lld", &l, &r, &k);
      |    ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
foodcourt.cpp:86:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   86 |    scanf("%d %lld", &a, &b);
      |    ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 604 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 604 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 452 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 272 ms 18080 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 604 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 604 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 604 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -