/ SB域 /

记录详情

Accepted

/in/foo.cc: In function 'int main()':
/in/foo.cc:76:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for (int i=1;i<=n;i++)
  ^~~
/in/foo.cc:81:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   for (int i=1;i<=n;i++)
   ^~~
/in/foo.cc:81:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
/in/foo.cc:84:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
    char opt;
    ^~~~
# 状态 耗时 内存占用
#1 Accepted 237ms 376.688 MiB
#2 Accepted 186ms 376.945 MiB
#3 Accepted 188ms 377.184 MiB
#4 Accepted 187ms 376.426 MiB
#5 Accepted 442ms 383.078 MiB
#6 Accepted 260ms 375.305 MiB
#7 Accepted 331ms 379.688 MiB
#8 Accepted 326ms 379.949 MiB
#9 Accepted 479ms 383.438 MiB
#10 Accepted 468ms 383.055 MiB
#11 Accepted 254ms 382.973 MiB
#12 Accepted 256ms 383.555 MiB
#13 Accepted 437ms 381.691 MiB
#14 Accepted 348ms 382.836 MiB
#15 Accepted 491ms 382.844 MiB
#16 Accepted 487ms 384.156 MiB
#17 Accepted 508ms 384.0 MiB
#18 Accepted 521ms 384.129 MiB
#19 Accepted 544ms 383.238 MiB
#20 Accepted 526ms 383.375 MiB
#21 Accepted 624ms 386.934 MiB
#22 Accepted 593ms 385.523 MiB
#23 Accepted 617ms 389.07 MiB
#24 Accepted 577ms 389.297 MiB
#25 Accepted 584ms 388.398 MiB

代码

# include<bits/stdc++.h>
# define int long long
using namespace std;
const int MAXN=3505;
int a[MAXN][MAXN],d[MAXN][MAXN];
int n,m;
inline int read()
{
    int X=0,w=0;char c=0;
    while (!(c>='0'&&c<='9')) w|=c=='-',c=getchar();
    while ((c>='0'&&c<='9')) X=(X<<1)+(X<<3)+(c^48),c=getchar();
    return w?-X:X;
}
inline void write(int x)
{
    if (x<0) { putchar('-'); x=-x;}
    if (x>9) write(x/10);
    putchar('0'+x%10);
}
inline void writeln(int x){write(x);putchar('\n');}
struct Tree{
	int c[MAXN][MAXN];
	Tree(){ memset(c,0,sizeof(c));}
	inline void update(int x,int y,int z){
		for (int i=x;i<=n;i+=i&(-i))
		 for (int j=y;j<=m;j+=j&(-j)){
		 	c[i][j]+=z;
		 }
	}	
}T1,T2,T3,T4;
# define A (x+1)
# define B (y+1)
inline int ask(int x,int y){
	int ret=0;
	for (int i=x;i;i-=i&(-i))
	 for (int j=y;j;j-=j&(-j))
	  ret+=A*B*T1.c[i][j]-B*T2.c[i][j]-A*T3.c[i][j]+T4.c[i][j];
	return ret;  
}
inline void add(int x,int y,int val){
	T1.update(x,y,val);   T2.update(x,y,val*x);
	T3.update(x,y,val*y); T4.update(x,y,val*x*y);
}
inline void work1()
{
	int x1=read(),y1=read(),x2=read(),y2=read();
	int ans=ask(x2,y2)-ask(x2,y1-1)-ask(x1-1,y2)+ask(x1-1,y1-1);
	writeln(ans);
}
inline void work2()
{
	int x1=read(),y1=read(),x2=read(),y2=read(),d=read();
	add(x1,y1,d); add(x1,y2+1,-d);
	add(x2+1,y1,-d); add(x2+1,y2+1,d);
}
inline void work3()
{
	int x1=read(),y1=read(),x2=read(),y2=read(),d=read(); d=-d;
	add(x1,y1,d); add(x1,y2+1,-d);
	add(x2+1,y1,-d); add(x2+1,y2+1,d);
}
inline void work4()
{
	int x1=read(),y1=read();
	int x2=x1,y2=y1;
	int ans=ask(x2,y2)-ask(x2,y1-1)-ask(x1-1,y2)+ask(x1-1,y1-1);
	writeln(ans);
}
signed main()
{
	#ifdef LOCAL
		freopen("20.in","r",stdin);
		freopen("20.out","w",stdout);
	#endif
	n=read();m=read();
	for (int i=1;i<=n;i++)
	 for (int j=1;j<=m;j++) {
	 	a[i][j]=read();
		d[i][j]=a[i][j]-a[i-1][j]-a[i][j-1]+a[i-1][j-1];  
	 }
	 for (int i=1;i<=n;i++)
	  for (int j=1;j<=m;j++)
	  	add(i,j,d[i][j]);
	  char opt;
	  while (true) {
	  	cin>>opt;
	  	switch (opt) {
	  		case 'Q':work1();break;
			case 'A':work2();break;
			case 'D':work3();break;
			case 'F':work4();break;
			case 'E':goto exit;break;  	
		}
	  }
	  exit:;
	return 0;
} 

信息

递交者
类型
递交
题目
U50446 二维数列
题目数据
下载
语言
C++
递交时间
2018-11-05 07:49:37
评测时间
2018-11-05 07:49:37
评测机
分数
100
总耗时
10481ms
峰值内存
389.297 MiB