#include using namespace std; //repetition #define FOR(i,a,b) for(ll i=(a);i<(b);++i) #define rep(i, n) for(ll i = 0; i < (ll)(n); i++) //container util #define all(x) (x).begin(),(x).end() //typedef typedef long long ll; typedef vector VI; typedef vector VVI; typedef vector VLL; typedef vector VVLL; typedef vector VS; typedef pair PII; typedef pair PLL; //const value //const ll MOD = 1e9 + 7; //const int dx[] = {0,1,0,-1};//{0,0,1,1,1,-1,-1,-1}; //const int dy[] = {1,0,-1,0};//{1,-1,0,1,-1,0,1,-1}; //conversion inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;} inline ll toLL(string s) {ll v; istringstream sin(s);sin>>v;return v;} template inline string toString(T x) {ostringstream sout;sout<> x >> y >> d; if(d == 0){ cout << 1 << endl; return 0; } PII xend, yend; if(d <= x) { xend = PII(d,0); } else{ if( d - x <= y) xend = PII(x,d-x); else{ cout << 0 << endl; return 0; } } if(d <= y) { yend = PII(0,d); } else{ if( d - y <= x) yend = PII(d-y,y); else{ cout << 0 << endl; return 0; } } // rot45(xend); // rot45(yend); // cout << "xend = ( " << xend.first << " , " << xend.second << " )" << endl; // cout << "yend = ( " << yend.first << " , " << yend.second << " )" << endl; cout << abs(xend.first - yend.first) + 1 << endl; return 0; }