OJ-Problems-Source/HDOJ/3490_autoAC.cpp

47 lines
1.4 KiB
C++

#include <cstdio>
#include <cstring>
#include <string>
#include <map>
#include <algorithm>
using namespace std;
map<string, pair<int, int> > ms;
map<int, int> s1, s2;
int n;
inline int calc(map<int, int>& s) {
map<int, int>::iterator ib = s.begin(), ie = s.end();
return (--ie)->first - ib->first;
}
inline void erase(map<int, int> &s, int x) {
if (--s[x] == 0)
s.erase(x);
}
int main() {
int test;
scanf("%d", &test);
for (int cas = 1; cas <= test; ++cas) {
ms.clear(); s1.clear(); s2.clear();
scanf("%d", &n);
for (int i = 0; i < n; ++i) {
int opt; char buf[100];
scanf("%d%s", &opt, buf);
if (opt == 1) {
int x, y;
scanf("%d%d", &x, &y);
ms[buf] = pair<int, int>(x, y);
s1[x - y]++; s2[x + y]++;
} else {
map<string, pair<int, int> >::iterator it = ms.find(buf);
erase(s1, it->second.first - it->second.second);
erase(s2, it->second.first + it->second.second);
ms.erase(it);
}
if (ms.size() == 0)
puts("-1");
else
printf("%d\n", max(calc(s1), calc(s2)));
}
putchar('\n');
}
return 0;
}