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O(n2) is ok, dp, 516ms#include <iostream>
#include <stdio.h>
using namespace std;
int N, T;
int said[1005];
int mnLiar[2][1005][1005];
int mn(int a, int b){
return (a>b) ? b : a;
}
void init(){
for(int i = 0; i < 2; i++){
for(int j = 0; j < N; j++){
for(int k = 0; k < N; k++){
mnLiar[i][j][k] = -1;
}
}
}
}
int get(int tag, int start, int end){
if(mnLiar[tag][start][end] != -1) return mnLiar[tag][start][end];
if(start == end){
if(tag){
mnLiar[tag][start][end] = 1;
return 1;
}
else {
mnLiar[tag][start][end] = 0;
return 0;
}
}
if(tag){
int res = mn(get(0, (start+1)%N, end), get(1, (start+1)%N, end)) + 1;
mnLiar[tag][start][end] = res;
return res;
}
else if(said[start]){
int res = get(1, (start+1)%N, end);
mnLiar[tag][start][end] = res;
return res;
}
else{
int res = get(0, (start+1)%N, end);
mnLiar[tag][start][end] = res;
return res;
}
}
int main() {
int t;
scanf("%d", &t);
for(int i = 0; i < t; i++){
scanf("%d%d", &N, &T);
for(int j = 0; j < N; j++){
scanf("%d", &said[j]);
}
if(T == 0){
printf("0 0\n");
continue;
}
init();
int liarNum = 0;
int mnLiar = -1;
int offset, start, end;
for(int j = 0; j < N; j++){
int det[1005] = {0};
bool kysz = 1;
int jdgs = 0;
int fwgs = 1;
det[j] = 1;
offset = j;
while(1){
if(said[offset]){
offset = (offset+1)%N;
if(det[offset] == 1){
kysz = 0;
goto done;
}
else if(det[offset] == 0){
det[offset] = -1;
jdgs++;
fwgs++;
if(jdgs > T) {
kysz = 0;
goto done;
}
}
break;
}
else{
offset = (offset+1)%N;
if(det[offset] == -1){
kysz = 0;
goto done;
}
else if(det[offset] == 0){
det[offset] = 1;
fwgs++;
}
}
}
start = (offset+1)%N;
offset = (j+N-1)%N;
if(said[offset]){
if(det[offset] == 1){
kysz = 0;
goto done;
}
else if(det[offset] == 0){
det[offset] = -1;
jdgs++;
fwgs++;
if(jdgs > T){
kysz = 0;
goto done;
}
}
offset = (offset+N-1)%N;
while(!said[offset]){
if(det[offset] == 1){
kysz = 0;
goto done;
}
else if(det[offset] == 0){
det[offset] = -1;
jdgs++;
fwgs++;
if(jdgs > T){
kysz = 0;
goto done;
}
}
offset = (offset+N-1)%N;
}
end = offset;
}
else{
end = offset;
}
if(fwgs >= N) goto done;
if(jdgs + mn(get(0, start, end), get(1, start, end)) > T) kysz = 0;
done:
if(!kysz){
liarNum++;
if(mnLiar == -1) mnLiar = j;
}
if(liarNum == T) break;
}
printf("%d %d\n", liarNum, mnLiar+1);
}
return 0;
}
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