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Submission #29565

# Submission time Handle Problem Language Result Execution time Memory
29565 2017-07-20T06:23:00 Z 윤교준(#1243) Lightning Conductor (POI11_pio) C++11
100 / 100
 473 ms 13256 KB 
#include <bits/stdc++.h>
#define rf(x) (x)=0;while(*p<48)p++;while(47<*p)(x)=((x)<<3)+((x)<<1)+(*p++&15);
#define pb push_back
#define sz(V) ((int)(V).size())
#define allv(V) ((V).begin()),((V).end())
#define befv(V) ((V)[sz(V)-2])
#define sorv(V) sort(allv(V))
#define revv(V) reverse(allv(V))
#define univ(V) (V).erase(unique(allv(V)),(V).end())
#define rgiv(V,n) ((V)[((n)+sz(V))%sz(V)])
#define clv(V) (V).clear()
#define upmax(a,b) (a)=max((a),(b))
#define INF (0x3f3f3f3f)
#define MAXN (500005)
#define MAXH (1000005)
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
static unsigned char str[5500055], *p = str;
int SQ[MAXN];

int HL[777], HR[777];
int H[MAXN];
int P[MAXN];
int N;

int main() {
	fread(str, 1, 5500055, stdin);
	for(int i = 1; i <= 708; i++) {
		int s = (i-1)*(i-1) + 1, e = min(MAXN-1, i*i);
		for(int j = s; j <= e; j++) SQ[j] = i;
	}
	rf(N)
	int mxh = -1;
	for(int i = 1; i <= N; i++) {
		rf(H[i])
		if(mxh < H[i]) mxh = H[i];
	}
	int mnh = max(0, mxh-708), dh = mxh - mnh;
	for(int i = 1, h; i <= N; i++) {
		if(H[i] < mnh) continue;
		h = H[i] - mnh;
		if(!HL[h]) HL[h] = i;
		HR[h] = i;
	}
	for(int i = HL[dh]; i <= N; i++) P[i] = mxh + SQ[i - HL[dh]];
	for(int i = HR[dh], h; i; i--) {
		h = mxh + SQ[HR[dh] - i];
		if(P[i] < h) P[i] = h;
	}
	for(int h = dh-1, x = HR[dh]; ~h; h--) {
		if(HR[h] <= x) continue;
		x = HR[h];
		for(int i = HR[h]-1, t; i; i--) {
			t = h + mnh + SQ[HR[h] - i];
			if(P[i] < t) P[i] = t;
		}
	}
	for(int h = dh-1, x = HL[dh]; ~h; h--) {
		if(!HL[h] || x <= HL[h]) continue;
		x = HL[h];
		for(int i = HL[h]+1, t; i <= N; i++) {
			t = h + mnh + SQ[i - HL[h]];
			if(P[i] < t) P[i] = t;
		}
	}
	for(int i = 1; i <= N; i++) printf("%d\n", P[i] - H[i]);
	return 0;
}

Compilation message

pio.cpp: In function 'int main()':
pio.cpp:28:31: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  fread(str, 1, 5500055, stdin);
                               ^

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 13256 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 13256 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 13256 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 13256 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 13256 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 13256 KB Output is correct
2 Correct 6 ms 13256 KB Output is correct
3 Correct 29 ms 13256 KB Output is correct

Subtask #7
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 13256 KB Output is correct
2 Correct 6 ms 13256 KB Output is correct
3 Correct 39 ms 13256 KB Output is correct

Subtask #8
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 13256 KB Output is correct
2 Correct 23 ms 13256 KB Output is correct
3 Correct 116 ms 13256 KB Output is correct

Subtask #9
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 13256 KB Output is correct
2 Correct 53 ms 13256 KB Output is correct
3 Correct 229 ms 13256 KB Output is correct

Subtask #10
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 13256 KB Output is correct
2 Correct 56 ms 13256 KB Output is correct
3 Correct 473 ms 13256 KB Output is correct

Subtask #11
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 13256 KB Output is correct
2 Correct 59 ms 13256 KB Output is correct
3 Correct 456 ms 13256 KB Output is correct