Submission #989457

# Submission time Handle Problem Language Result Execution time Memory
989457 2024-05-28T08:16:20 Z Sunbae Monkey and Apple-trees (IZhO12_apple) C++17
100 / 100
225 ms 134832 KB
#include <cstdio>
const int N = 1e5 + 5, M = 1e9;
int L, R, l[16000400], r[16000400], s[16000400], lz[16000400], ALLOC = 2;
void pg(int ind, int low, int high){
	if(low != high){
		if(!l[ind]) l[ind] = ALLOC++; if(!r[ind]) r[ind] = ALLOC++; 
		lz[l[ind]] = lz[r[ind]] = lz[ind];
	}
	lz[ind] = 0;
}
void upd(int ind, int low, int high){
	if(lz[ind]){s[ind] = high-low+1; pg(ind, low, high); }
	if(low > R || high < L) return;
	if(L <= low && high <= R){s[ind] = high-low+1; lz[ind] = true; pg(ind, low, high); return;}
	if(!l[ind]) l[ind] = ALLOC++; if(!r[ind]) r[ind] = ALLOC++; 
	int mid = low + ((high-low)>>1);
	upd(l[ind], low, mid); upd(r[ind], mid+1, high);
	s[ind] = ((l[ind])? s[l[ind]] : 0) + ((r[ind])? s[r[ind]] : 0);
}
int qry(int ind, int low, int high){
	if(lz[ind]){s[ind] = high-low+1; pg(ind, low, high);}
	if(low > R || high < L) return 0;
	if(L <= low && high <= R) return s[ind];
	int mid = low + ((high-low)>>1);
	return ((l[ind])? qry(l[ind], low, mid) : 0) + ((r[ind])? qry(r[ind], mid+1, high) : 0);
}
signed main(){
	int m, c = 0, d; scanf("%d", &m);
	while(m--){
		scanf("%d %d %d", &d, &L, &R); L += c; R += c;
		if(d == 1) printf("%d\n", c = qry(1, 1, M));
		else upd(1, 1, M);
	}
}

Compilation message

apple.cpp: In function 'void pg(int, int, int)':
apple.cpp:6:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
    6 |   if(!l[ind]) l[ind] = ALLOC++; if(!r[ind]) r[ind] = ALLOC++;
      |   ^~
apple.cpp:6:33: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
    6 |   if(!l[ind]) l[ind] = ALLOC++; if(!r[ind]) r[ind] = ALLOC++;
      |                                 ^~
apple.cpp: In function 'void upd(int, int, int)':
apple.cpp:15:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   15 |  if(!l[ind]) l[ind] = ALLOC++; if(!r[ind]) r[ind] = ALLOC++;
      |  ^~
apple.cpp:15:32: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   15 |  if(!l[ind]) l[ind] = ALLOC++; if(!r[ind]) r[ind] = ALLOC++;
      |                                ^~
apple.cpp: In function 'int main()':
apple.cpp:28:24: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |  int m, c = 0, d; scanf("%d", &m);
      |                   ~~~~~^~~~~~~~~~
apple.cpp:30:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |   scanf("%d %d %d", &d, &L, &R); L += c; R += c;
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 8 ms 5040 KB Output is correct
5 Correct 9 ms 3676 KB Output is correct
6 Correct 10 ms 5468 KB Output is correct
7 Correct 9 ms 3672 KB Output is correct
8 Correct 72 ms 28424 KB Output is correct
9 Correct 164 ms 47868 KB Output is correct
10 Correct 175 ms 53240 KB Output is correct
11 Correct 193 ms 57428 KB Output is correct
12 Correct 167 ms 59096 KB Output is correct
13 Correct 147 ms 73044 KB Output is correct
14 Correct 155 ms 73552 KB Output is correct
15 Correct 213 ms 130640 KB Output is correct
16 Correct 225 ms 131664 KB Output is correct
17 Correct 143 ms 76120 KB Output is correct
18 Correct 145 ms 76120 KB Output is correct
19 Correct 220 ms 134756 KB Output is correct
20 Correct 215 ms 134832 KB Output is correct