#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int H,W; ll A[555][555]; ll dp[555][555][2]; void solve() { int i,j,k,l,r,x,y; string s; cin>>H>>W; FOR(y,H) FOR(x,W) cin>>A[y][x]; dp[0][0][0]=A[0][0]; A[0][0]=0; FOR(y,H) FOR(x,W) { if(dp[y][x][0]>A[y][x]) { if(y+1A[y][x]) { if(y+1