寫到要瘋掉，這種需要細節的題目得在精神狀態比較好的時候寫。

#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cstring>
#include<cmath>
#include<vector>
#include<queue>
#include<set>
#define mem(a,x) memset(a,x,sizeof(a))
#define s1(x) scanf("%d",&x)
#define s2(x,y) scanf("%d%d",&x,&y)
#define s3(x,y,z) scanf("%d%d%d",&x,&y,&z)
#define s4(x,y,z,k) scanf("%d%d%d%d",&x,&y,&z,&k)
#define ff(a,n) for(int i = 0 ; i < n; i++) scanf("%d",a+i)
#define ls 2*rt
#define rs 2*rt+1
#define lson ls,L,mid
#define rson rs,mid+1,R
#define ll long long
using namespace std;
typedef pair<int,int> pii;
//inline ll ask(int x){ll res=0;while(x)res+=c[x],x-=x&(-x);return res;}
//inline void add(int x,int d){while(x<=n)c[x]+=d,x+=x&(-x);}
//int gcd(int a, int b) { return b == 0 ? a : gcd(b, a%b);}
const ll inf = 0x3f3f3f3f;
const int mx = 160;
int up[mx],le[mx],ri[mx],low[mx];
int ma[mx][mx],f[mx];
int n,m,p,x1,x2,y2,y3,now;

void calc(){
//	up[0] = low[n + 1] = le[0] = ri[m + 1] = -inf;
	mem(up,-inf);     //忘了初始化 
	mem(low,-inf);
	mem(le,-inf);
	mem(ri,-inf);
	now = -inf;
	for(int i = 1; i <= n; i++){  //上邊 
		mem(f,0);
		for(int j = i; j <= n; j++){
			for(int k = 1; k <= m; k++)
				f[k] += ma[j][k];
			up[j] = max(up[j-1],up[j]);
			int sum = 0,s;
			for(int k = 1; k <= m ;k++){
				if(sum <= 0){
					sum = f[k];s = k;
				}
				else
					sum	+= f[k];	
				if(sum > now){
					now = sum;x1 = i;x2=j;y2=s;y3=k;
				}
				up[j]=max(up[j],sum);
			}
		}
	}
	
	for(int i = n; i >= 1; i--){    // 下面 
		mem(f,0);
		for(int j = i; j >= 1; j--){
			for(int k = 1; k <= m; k++)
				f[k] += ma[j][k];
			low[j] = max(low[j+1],low[j]);
			int sum = 0;
			for(int k = 1; k <= m ;k++){
				if(sum <= 0){
					sum = f[k];
				}
				else
					sum	+= f[k];	
				low[j]=max(low[j],sum);
			}
			
		}
	}
	for(int i = 1; i <= m; i++){    //左邊 
		mem(f,0);
		for(int j = i; j <= m; j++){
			for(int k = 1; k <= n; k++)
				f[k] += ma[k][j];
			le[j] = max(le[j-1],le[j]);
			int sum = 0;
			for(int k = 1; k <= n ;k++){
				if(sum <= 0){
					sum = f[k];
				}
				else
					sum	+= f[k];	
				le[j]=max(le[j],sum);
			}
		}
	}
	
	for(int i = m; i >= 1; i--){   //右邊 
		mem(f,0);
		for(int j = i; j >= 1; j--){
			for(int k = 1; k <= n; k++)
				f[k] += ma[k][j];
			ri[j] = max(ri[j+1],ri[j]);
			int sum = 0;
			for(int k = 1; k <= n ;k++){
				if(sum <= 0){
					sum = f[k];
				}
				else
					sum	+= f[k];	
				ri[j]=max(ri[j],sum);
			}
			
		}
	}
	int temp = now;
	for(int i = x1; i <= x2; i++)
		for(int j = y2; j <= y3; j++){
			if(p-ma[i][j] >= 0)
				continue;
			int m1 = temp-ma[i][j]+p;
			if(j-1>=1) m1 = max(m1,le[j-1]);
			if(j+1<=m)  m1 = max(m1,ri[j+1]);  //m錯寫n 
			if(i-1>=1) m1 = max(m1,up[i-1]);   //兩個函式寫反了 
			if(i+1<=n)  m1 = max(m1,low[i+1]);
			now = min(m1,now);
		}
	printf("%d\n",now);
	
} 
int main(){
	//	freopen("F:\\in.txt","r",stdin);
	//int T=10;	scanf("%d",&T);
	
	while(s3(n,m,p) != EOF){
		for(int i = 1; i <= n; i++)
			for(int j = 1; j <= m; j++)
				s1(ma[i][j]);
		calc();
	}	

	return 0;
}