285 lines
9.0 KiB
C++
285 lines
9.0 KiB
C++
#pragma comment(linker, "/STACK:102400000,102400000")
|
|
#include<iostream>
|
|
#include<vector>
|
|
#include<algorithm>
|
|
#include<cstdio>
|
|
#include<queue>
|
|
#include<stack>
|
|
#include<string>
|
|
#include<map>
|
|
#include<set>
|
|
#include<cmath>
|
|
#include<cassert>
|
|
#include<cstring>
|
|
#include<iomanip>
|
|
using namespace std;
|
|
#ifdef _WIN32
|
|
#define i64 __int64
|
|
#define out64 "%I64d\n"
|
|
#define in64 "%I64d"
|
|
#else
|
|
#define i64 long long
|
|
#define out64 "%lld\n"
|
|
#define in64 "%lld"
|
|
#endif
|
|
/************ for topcoder by zz1215 *******************/
|
|
#define foreach(c,itr) for(__typeof((c).begin()) itr=(c).begin();itr!=(c).end();itr++)
|
|
#define FOR(i,a,b) for( int i = (a) ; i <= (b) ; i ++)
|
|
#define FF(i,a) for( int i = 0 ; i < (a) ; i ++)
|
|
#define FFD(i,a,b) for( int i = (a) ; i >= (b) ; i --)
|
|
#define S64(a) scanf(in64,&a)
|
|
#define SS(a) scanf("%d",&a)
|
|
#define LL(a) ((a)<<1)
|
|
#define RR(a) (((a)<<1)+1)
|
|
#define pb push_back
|
|
#define pf push_front
|
|
#define X first
|
|
#define Y second
|
|
#define CL(Q) while(!Q.empty())Q.pop()
|
|
#define MM(name,what) memset(name,what,sizeof(name))
|
|
#define MC(a,b) memcpy(a,b,sizeof(b))
|
|
#define MAX(a,b) ((a)>(b)?(a):(b))
|
|
#define MIN(a,b) ((a)<(b)?(a):(b))
|
|
#define read freopen("out.txt","r",stdin)
|
|
#define write freopen("out2.txt","w",stdout)
|
|
const int inf = 0x3f3f3f3f;
|
|
const i64 inf64 = 0x3f3f3f3f3f3f3f3fLL;
|
|
const double oo = 10e9;
|
|
const double eps = 10e-9;
|
|
const double pi = acos(-1.0);
|
|
const int maxn = 1 << 20;
|
|
const i64 mod = 4294967296;
|
|
struct zz{
|
|
string s;
|
|
i64 a;
|
|
}zx;
|
|
int n;
|
|
int c[44][32];
|
|
string s[44];
|
|
i64 a[44];
|
|
i64 dp[maxn];
|
|
i64 dpx[maxn];
|
|
int cas[44];
|
|
int ret[22];
|
|
vector<zz>v;
|
|
int ns;
|
|
int size;
|
|
i64 start(){
|
|
for (int i = 0; i < (1 << ns); i++){
|
|
dp[i] = -1;
|
|
}
|
|
dp[0] = 0;
|
|
size = v.size();
|
|
for (int step = 0; step < 32; step++){
|
|
for (int state = 0; state < (1 << ns); state++){
|
|
dpx[state] = -1;
|
|
}
|
|
for (int state = 0; state < (1 << ns); state++) if(dp[state] != -1){
|
|
i64 tos = 0;
|
|
i64 value = 0;
|
|
for (int i = 0; i < size; i++){
|
|
if (v[i].s == "+="){
|
|
if (state & (1 << cas[i])){
|
|
if (c[i][step] == 4){
|
|
tos |= 1 << cas[i];
|
|
}
|
|
else if( c[i][step] == 2){
|
|
if (value == 1){
|
|
tos |= 1 << cas[i];
|
|
value = 0;
|
|
}
|
|
else{
|
|
value = 1;
|
|
}
|
|
}
|
|
}
|
|
else{
|
|
if (c[i][step] == 4){
|
|
if (value == 1){
|
|
tos |= 1 << cas[i];
|
|
value = 0;
|
|
}
|
|
else {
|
|
value = 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else{
|
|
if (c[i][step] == 0){
|
|
value = 0;
|
|
}
|
|
else if (c[i][step] == 1){
|
|
value = 1;
|
|
}
|
|
else if (c[i][step] == 3){
|
|
value = 1 - value;
|
|
}
|
|
}
|
|
}
|
|
i64 temp = value << step;
|
|
temp += dp[state];
|
|
if (temp > dpx[tos]){
|
|
dpx[tos] = temp;
|
|
}
|
|
tos = 0;
|
|
value = 1;
|
|
for (int i = 0; i < size; i++){
|
|
if (v[i].s == "+="){
|
|
if (state & (1 << cas[i])){
|
|
if (c[i][step] == 4){
|
|
tos |= 1 << cas[i];
|
|
}
|
|
else if (c[i][step] == 2){
|
|
if (value == 1){
|
|
tos |= 1 << cas[i];
|
|
value = 0;
|
|
}
|
|
else{
|
|
value = 1;
|
|
}
|
|
}
|
|
}
|
|
else{
|
|
if (c[i][step] == 4){
|
|
if (value == 1){
|
|
tos |= 1 << cas[i];
|
|
value = 0;
|
|
}
|
|
else {
|
|
value = 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else{
|
|
if (c[i][step] == 0){
|
|
value = 0;
|
|
}
|
|
else if (c[i][step] == 1){
|
|
value = 1;
|
|
}
|
|
else if (c[i][step] == 3){
|
|
value = 1 - value;
|
|
}
|
|
}
|
|
}
|
|
temp = value << step;
|
|
temp += dp[state];
|
|
if (temp > dpx[tos]){
|
|
dpx[tos] = temp;
|
|
}
|
|
}
|
|
for (int state = 0; state < (1 << ns); state++){
|
|
dp[state] = dpx[state];
|
|
}
|
|
}
|
|
i64 ans = -1;
|
|
for (int i = 0; i < (1 << ns); i++){
|
|
ans = max(ans, dp[i]);
|
|
}
|
|
return ans;
|
|
}
|
|
i64 toint(string temp){
|
|
i64 re = 0;
|
|
for (int i = 0; i < temp.size(); i++){
|
|
if (temp[i] <= '9' && temp[i] >= '0'){
|
|
re *= (1 << 4);
|
|
re += temp[i] - '0';
|
|
}
|
|
else if (temp[i] >= 'a' && temp[i] <= 'f'){
|
|
re *= (1 << 4);
|
|
re += temp[i] - 'a' + 10;
|
|
}
|
|
}
|
|
return re;
|
|
}
|
|
int main(){
|
|
int T;
|
|
cin >> T;
|
|
while (T--){
|
|
cin >> n;
|
|
string ts;
|
|
for (int i = 1; i <= n; i++){
|
|
cin >> s[i] >> ts;
|
|
a[i] = toint(ts);
|
|
if (s[i] == "-="){
|
|
s[i] = "+=";
|
|
a[i] = -a[i];
|
|
a[i] = (a[i] + mod) % mod;
|
|
}
|
|
}
|
|
v.clear();
|
|
int temp;
|
|
for (int i = 1; i <= n; i++){
|
|
zx.s = s[i];
|
|
zx.a = a[i];
|
|
if (zx.s == "+="){
|
|
temp = i + 1;
|
|
while (true){
|
|
if (temp<=n && s[temp] == "+="){
|
|
zx.a += a[temp];
|
|
zx.a %= mod;
|
|
temp++;
|
|
}
|
|
else{
|
|
i = temp - 1;
|
|
break;
|
|
}
|
|
}
|
|
v.push_back(zx);
|
|
}
|
|
else {
|
|
v.push_back(zx);
|
|
}
|
|
}
|
|
ns = 0;
|
|
for (int x = 0; x <v.size(); x++){
|
|
if (v[x].s == "+="){
|
|
cas[x] = ns;
|
|
ret[ns++] = x;
|
|
for (int i = 0; i < 32; i++){
|
|
if (v[x].a &((i64)1 << i)){
|
|
c[x][i] = 4;
|
|
}
|
|
else{
|
|
c[x][i] = 2;
|
|
}
|
|
}
|
|
}
|
|
else if (v[x].s == "^="){
|
|
for (int i = 0; i < 32; i++){
|
|
if (v[x].a & ((i64)1 << i)){
|
|
c[x][i] = 3;
|
|
}
|
|
else{
|
|
c[x][i] = 2;
|
|
}
|
|
}
|
|
}
|
|
else if (v[x].s == "&="){
|
|
for (int i = 0; i < 32; i++){
|
|
if (v[x].a & ((i64)1 << i)){
|
|
c[x][i] = 2;
|
|
}
|
|
else {
|
|
c[x][i] = 0;
|
|
}
|
|
}
|
|
}
|
|
else if (v[x].s == "|="){
|
|
for (int i = 0; i < 32; i++){
|
|
if (v[x].a & ((i64)1 << i)){
|
|
c[x][i] = 1;
|
|
}
|
|
else{
|
|
c[x][i] = 2;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
cout << start() << endl;
|
|
}
|
|
return 0;
|
|
}
|